Exam 3 Test Questions

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Human Physiology BIOL 3345 Exam 2 Pervious Test Questions (Spring 2006) If somatic motor neuron fires an action potential, then _____ http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 2 Pervious Test Questions (Spring 2006) a. Acetylcholine is released from the axon terminal b. A skeletal muscle is triggered to contract c. The response is always excitatory http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 2 Pervious Test Questions (Spring 2006) Major centers concerned with autonomic control of breathing, blood pressure, heart rate, and digestive activities are located in the http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 2 Pervious Test Questions (Spring 2006) Medulla oblongata http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 2 Pervious Test Questions (Spring 2006) Each peripheral nerve provides _____ innervations of specific structures.

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Human Physiology BIOL 3345 Exam 2 Pervious Test Questions (Spring 2006) a. Motor b. Sensory http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 2 Pervious Test Questions (Spring 2008) Some of the fibers that form the spinothalamic tracts are damaged before they decussate (cross) the midline. This type of injury would affect?

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Human Physiology BIOL 3345 Exam 2 Pervious Test Questions (Spring 2008) a. Motor function on the same side as the damage b. Sensory function on the same side of the damage http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 2 Pervious Test Questions (Spring 2008) The primary motor cortex is located in the region of the http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 2 Pervious Test Questions (Spring 2008) Precentral gyrus http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 2 Pervious Test Questions (Spring 2008) Which statements apply to the parasympathetic division of the nervous system?

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Human Physiology BIOL 3345 Exam 2 Pervious Test Questions (Spring 2008) a. It is dominant during “rest and digest” b. ACh is the primary neurotransmitter http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 2 Pervious Test Questions (Spring 2008) The sympathetic nervous system is characterized by peripheral ganglia near the http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 2 Pervious Test Questions (Spring 2008) Spinal cord and by long postganglionic fibers http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 2 Pervious Test Questions (Spring 2006) If the dorsal root of a spinal nerve were cut, what would be the result in the tissue or region that nerve supplies http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 2 Pervious Test Questions (Spring 2008) Complete loss of sensation http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 2 Pervious Test Questions (Spring 2008) Receptors on post ganglion neurons of the sympathetic nervous system are?

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Human Physiology BIOL 3345 Exam 2 Pervious Test Questions (Spring 2008) Nicotinic http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 2 Pervious Test Questions (Spring 2008) An alien retrieved alive from a crashed UFO has had a through medical examination. A hormone with a distinct but similar structure to epinephrine has been isolated, and named ufo-epi. Which of the following responses in humans administered a physiological dose of ufo-epi would indicate it is indeed an epinephrine agonist?

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Human Physiology BIOL 3345 Exam 2 Pervious Test Questions (Spring 2008) Increase in fatty acids in the blood http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 2 Pervious Test Questions (Spring 2008) Sympathetic fibers leave the spinal cord in the http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 2 Pervious Test Questions (Spring 2008) Thoracolumbar region and the post ganglionic fibers secrete norepinephrine http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 2 Pervious Test Questions (Spring 2008) If the ventral root of a spinal nerve were cut, what would be the result in the tissue or region that nerve supplies?

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Human Physiology BIOL 3345 Exam 2 Pervious Test Questions (Spring 2008) A complete loss of voluntary movement http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 2 Pervious Test Questions (Spring 2008) The site of origin of the preganglionic fibers of the parasympathetic nervous system is http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 2 Pervious Test Questions (Spring 2008) The brain stem and the sacral region of the spinal cord http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 2 Pervious Test Questions (Spring 2008) The targets include smooth muscle, cardiac muscle, many exocrine glands, a few endocrine glands and some adipose tissue.

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Human Physiology BIOL 3345 Exam 2 Pervious Test Questions (Spring 2008) This is a true statement only for both of these divisions of the nervous system http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 2 Pervious Test Questions (Spring 2008) Contains cholinergic neurons http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 2 Pervious Test Questions (Spring 2008) This is a true statement only for both of these divisions of the nervous system http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 2 Pervious Test Questions (Spring 2008) Pathways have single neuron origination in the CNS and projecting its axon to the target tissue.

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Human Physiology BIOL 3345 Exam 2 Pervious Test Questions (Spring 2008) This is not true for either of these divisions of the nervous system http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 2 Pervious Test Questions (Spring 2008) All axons are myelinated http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 2 Pervious Test Questions (Spring 2008) This is not true for either of these divisions of the nervous system http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 2 Pervious Test Questions (Spring 2008) The larger the receptor field, the http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 2 Pervious Test Questions (Spring 2008) Harder it is to discriminate the exact point of stimulation http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 2 Pervious Test Questions (Spring 2008) The auditory cortex is located in the http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 2 Pervious Test Questions (Spring 2008) Temporal lobe http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 2 Pervious Test Questions (Spring 2006) Lystra is in an automobile accident and injures her spinal cord. She has lost feeling in her right hand and her doctor tells her that it is the result of swelling in the spinal cord. Which part of her cord is likely to be compressed?

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Human Physiology BIOL 3345 Exam 2 Pervious Test Questions (Spring 2008) An ascending tract http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 2 Pervious Test Questions (Spring 2008) The central nervous system interprets signal frequency as http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 2 Pervious Test Questions (Spring 2008) Stimulus intensity http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 2 Pervious Test Questions (Spring 2008) We are able to perceive the pitch of a sound because http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 2 Pervious Test Questions (Spring 2008) Different parts of the basilar membrane vibrate at different frequencies of sound http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 2 Pervious Test Questions (Spring 2008) Target receptor for preganglionic neurons contain http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 2 Pervious Test Questions (Spring 2008) Cholinergic nicotinic receptors http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 2 Pervious Test Questions (Spring 2008) The ventral root ganglia http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 2 Pervious Test Questions (Spring 2008) Do not exist http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 2 Pervious Test Questions (Spring 2008) Nicotinic receptors http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 2 Pervious Test Questions (Spring 2008) Are found at the neuromuscular junction of skeletal muscle May be located on the postganglionic fibers of the sympathetic nervous system Are found in the parasympathetic nervous system http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 2 Pervious Test Questions (Spring 2006) Which of the following is NOT a target of autonomic neurons?

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Human Physiology BIOL 3345 Exam 2 Pervious Test Questions (Spring 2008) a. Smooth muscle b. Adipose tissue c. Cardiac muscle d. Exocrine glands http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 2 Pervious Test Questions (Spring 2008) Transduction involves http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 2 Pervious Test Questions (Spring 2008) a. A stimulus altering the permeability of a receptor membrane b. Changes in the transmembrane potential of the sensory receptor c. Production of a receptor potential d. Generation of an action potential that can be processed and interpreted by the CNS http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 2 Pervious Test Questions (Spring 2008) The structure that separates the cochlear duct (scala media) from the tympanic duct (scala tympani) is http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 2 Pervious Test Questions (Spring 2008) Basilar membrane http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 2 Pervious Test Questions (Spring 2008) The primary purpose of the auditory ossicles is http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 2 Pervious Test Questions (Spring 2008) To amplify vibration http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 2 Pervious Test Questions (Spring 2008) What structures monitor rotational movements of the head?

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Human Physiology BIOL 3345 Exam 2 Pervious Test Questions (Spring 2008) Cristae and the semicircular canals http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 2 Pervious Test Questions (Spring 2008) Our perception of the pull of gravity and linear acceleration is the result of http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 2 Pervious Test Questions (Spring 2008) The pressure exerted by the otolithic organ on hair cells of the maculae http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 2 Pervious Test Questions (Spring 2008) Varicousities http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 2 Pervious Test Questions (Spring 2008) a. Are found in the autonomic division b. Are enlarged regions found along the axon c. Store and release neurotransmitters http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 2 Pervious Test Questions (Spring 2008) The term axonal transport refers to http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 2 Pervious Test Questions (Spring 2008) Vesicle transport of proteins and organelles down the axon http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Spring 2007) The ciliary muscle helps to http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Spring 2007) Control the shape of the lens http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Spring 2007) The vitreous chamber of the eye http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Spring 2007) Helps to stabilize it and gives physical support to the retina http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Spring 2007) Which of the following is NOT a function of smooth muscle http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Spring 2007) Forcing blood from the heart into the major arteries http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Spring 2007) The lacrimal apparatus http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Spring 2007) a. Is a system of glands and ducts b. Keeps the cornea moist with continuous tear flow http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Spring 2007) Information about sound must pass through each of these areas of the brain. Put them in the correct order.

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Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Spring 2007) a. Medulla b. Midbrain c. Thalamus d. Auditory cortex of cerebrum http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Spring 2007) Tonic receptors http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Spring 2007) a. Are slowly adapting receptors b. Are activated by parameters that must be continuously monitored by the body c. Are proprioreceptors, for example http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Spring 2007) Vibrations received in the ear are amplified by the action of the http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Spring 2007) Bones of the middle ear http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Spring 2007) The purpose of transverse tubules is to http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Spring 2007) Rapidly conduct the action potentials to the interior of the muscle fiber http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Spring 2007) The I band contains http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Spring 2007) Thin filaments http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Spring 2007) Ca 2+ is important in the contraction of smooth muscle. Which of the following is NOT true about smooth muscle contraction?

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Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Spring 2007) Contraction is immediately triggered by calmodulin binding http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Spring 2007) An important difference between single-unit and multi-unit smooth muscle is http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Spring 2007) Numerous gap junctions in single-unit muscle, which allow many cells to work together as a sheet http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Spring 2007) The ossicles connects the http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Spring 2007) Tympanic membrane to the oval window http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Spring 2007) A viral infection involving the vestibular nuclei may result in http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Spring 2007) A sense of dizziness http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Spring 2007) The structure that separates the cochlear duct from the tympanic duct is the http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Spring 2007) Basilar membrane http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Spring 2007) The loudness or intensity of a sound wave is related to its http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Spring 2007) Amplitude http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Spring 2007) Which description is NOT correctly matched to the tissue http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Spring 2007) Skeletal muscle – always attached to bones http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Spring 2007) As ATP binds to the myosin head at the beginning of a muscle contraction cycle http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Spring 2007) The myosin head detaches from actin http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Spring 2007) The intensity of a stimulus can be determined by http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Spring 2007) a. Population coding b. Frequency coding http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Spring 2007) Excitation-contraction coupling refers to _____ http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Spring 2007) The chemical and electrical events that trigger the mechanical events in a muscle fiber http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Spring 2007) The thick, gel-like fluid that helps support the structure of the eyeball is the http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Spring 2007) Vitreous humor http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Spring 2007) At the conclusion of the power stroke http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Spring 2007) a. Inorganic phosphate has been released from the myosin b. Actin has been moved toward the M line c. ADP is released from the myosin head d. The myosin head is tightly bound to actin http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Spring 2007) Displacement of stereocilia toward the kinocilium of a hair cell http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Spring 2007) Produces a depolarization of the membrane http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Spring 2007) The receptors in the inner ear are the http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Spring 2007) Hair cells http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Spring 2007) Transduction involves http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Spring 2007) a. A stimulus altering the permeability of a receptor membrane b. Change in the transmembrane potential of the sensory receptor c. Production of a receptor potential d. Generation of an action potential that can be processed and interpreted by the CNS http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Spring 2007) Which of the following statements is true about titin?

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Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Spring 2007) a. Titin returns stretched muscles to their resting length b. Titin stabilizes the position of the contractile filaments http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Spring 2007) Fast pain, usually described as sharp and localized, is carried by http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Spring 2007) Small, myelinated A-delta fibers http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Spring 2007) Central fatigue _____.

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Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Spring 2007) a. Include feeling tired b. May precede physiological muscle fatigue http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Spring 2007) Sensations of gravity and linear acceleration are registered in the http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Spring 2007) Saccule and utricle http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Spring 2007) The _____ of a sensory receptor may be irregular in shape and overlap with those of neighboring receptors. The size of this area determines the sensitivity to a stimulus.

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Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Spring 2007) Receptive field http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Spring 2007) The force generated by a single muscle fiber http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Spring 2007) a. Can be increases by increasing the frequency of action potentials b. Can be increased due to summation http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Spring 2007) What structures monitor vertical movements?

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Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Spring 2007) Maculae of the saccule http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Spring 2007) Light passes through the following structures in which order?

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Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Spring 2007) a. Cornea b. Aqueous humor c. Lens d. Vitreous humor http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Animal Physiology Spring 2007) The tough, outer layer of connective tissue that covers most of the eyeball is the http://www.jasonjones.co/biol3345.html

Sclera Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Animal Physiology Spring 2007) http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Animal Physiology Spring 2007) An individual fascicle in a skeletal muscle is surrounded by http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Animal Physiology Spring 2007) Perimysium http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Animal Physiology Spring 2007) Cortisol is secreated by the adrenal cortex in response to stress. In addition to its function in a stress response, it functions in negative feedback by http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Animal Physiology Spring 2007) Inhibiting the hypothalamus so that corticotropin releasing hormone (CRH) secretion is reduced http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Animal Physiology Spring 2007) Smooth muscle uses which of the following as a source of calcium?

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Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Animal Physiology Spring 2007) Extracellular fluid http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Animal Physiology Spring 2007) The pitch of sound is determined by the _____ of vibrations, and in that respect is most similar to the _____ of light.

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Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Animal Physiology Spring 2007) Frequency; color http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Animal Physiology Spring 2007) The _____ component of the _____ nerve innervates the sino-atrial node and atrioventricular node of the vertebrate heart.

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Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Animal Physiology Spring 2007) Parasympathetic; vegas http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Animal Physiology Spring 2007) A vertebrate motor unit is http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Animal Physiology Spring 2007) A motor neuron and the muscle fibers it innervates http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Animal Physiology Spring 2007) Which of the following does NOT affect the tension that can be developed by a muscle fiber?

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Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Animal Physiology Spring 2007) The number of motor units recruited http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Animal Physiology Spring 2007) Sympathetic stimulation of the heart increases cardiac output by http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Animal Physiology Spring 2007) a. Increasing heart rate b. Increasing the rate at which the pacemaker potential depolarizes to threshold c. Increasing the number of cross-bridges that can form during contraction d. Increasing the strength of contraction http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Animal Physiology Spring 2007) During the bending (power stroke) of contraction http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Animal Physiology Spring 2007) P, and ADP attach to myosin http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Animal Physiology Spring 2007) At optimal muscle length when maximum tension can be developed http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Animal Physiology Spring 2007) Thin filaments are pulled out maximally from thick fibers http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Animal Physiology Spring 2007) Which process of muscle contraction requires energy expenditure?

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Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Animal Physiology Spring 2007) a. Hydrolysis of ATP to detach troponin from myosin b. Moving calcium into the sarcoplasmic reticulum http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Animal Physiology Spring 2007) In an isotonic contraction, the muscle http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Animal Physiology Spring 2007) Changes length and moves the “load” http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Animal Physiology Spring 2007) Which of the following is an important difference between the nervous system and the endocrine system?

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Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Animal Physiology Spring 2007) Due in part to the physical properties of the basilar membrane, the cochlea is tuned so that http://www.jasonjones.co/biol3345.html

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Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Animal Physiology Spring 2007) Sound traveling through air tends to bounce off water, due to the latter’s lesser compressibility. You may have noticed how little conversation you can hear when you’re submerged. However, even in normal hearing sound waves have to pass from air to liquid as sound is transmitted from the external car to the inner ear. This is accomplished by http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Animal Physiology Spring 2007) a. Increasing the pressure on the oval window, relative to the tympanic membrane, thanks to the former’s smaller area. b. Increase the force applied to the oval window, relative to the tympanic membrane, thanks to the lever action of the inner ear ossicles http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Animal Physiology Spring 2007) In the mammalian vestibular apparatus, the _____ are used to detect _____ while the _____ are used to detect _____.

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Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Animal Physiology Spring 2007) Semicircular canals; angular acceleration; otolith organs; linear acceleration http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Animal Physiology Spring 2007) A tropic hormone http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Animal Physiology Spring 2007) None of the above,  . Look up answer http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Animal Physiology Spring 2007) In the cortex of the musculoskeletal system, an origin is http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Animal Physiology Spring 2007) The site of insertion of a muscle into a bone that is relatively immobile http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Animal Physiology Spring 2007) The ability of muscle to relax is based in part on the presence of http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Animal Physiology Spring 2007) Series of elastic elements that exert force in the direction opposite of the force generated during contraction http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Animal Physiology Spring 2007) An isometric contraction is a contraction in which http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Animal Physiology Spring 2007) Tension (or force) increases, but length stays the same http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Animal Physiology Spring 2007) The frequency of a sound is indicated to the nervous system by the http://www.jasonjones.co/biol3345.html

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Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Spring 2008) Asynchronous recruitment http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Spring 2008) a. Helps avoid fatigue during sustained muscle contractions b. Refers to different motor units taking turns maintaining muscle tension c. Makes an entire muscle seem to contract smoothly http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Spring 2008) The depolarization phase of the conducting system muscle action potential is the result of http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Spring 2008) Increase membrane permeability to calcium ions http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Spring 2008) Skeletal muscle at rest receive about _____ of the cardiac output. During exercise as much as _____ http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Spring 2008) 20%; 85% http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Spring 2008) Contractions of the papillary muscles http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Spring 2008) Prevent the atrioventricular valves from projecting into the atria http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Spring 2008) In the arm, the biceps brachii act as flexor whereas triceps brachii act as extensor. Which of the following statements is true?

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Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Spring 2008) a. The biceps brachii would be the primary muscle responsible for movement of the hand and forearm toward the shoulder.

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Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Spring 2008) In muscles used for fine actions, such as controlling eye movement or use of the hand, a motor unit will have _____ muscle fibers when compared to a motor unit in muscles used for power and strength.

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Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Spring 2008) 1. Ach binds to receptors on motor end plate 2. Chemically regulated ion channels open, causing depolarization 3. End plate potential triggers action potentials 4. Transverse tubules convey potentials into the interior of the cell 5. Ca 2 is released from the sarcoplasmic reticulum 6. Ca 2 ions bind to troponin-C, pulling on tropomyosin 7. Binding sites on actin are uncovered, allowing myosin to bind and carry out power strokes http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Spring 2008) Blood flow to a tissue will increase if the http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Spring 2008) Level of carbon dioxide at the tissue increases http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Spring 2008) In living muscle at rest, which situation is most common?

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Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Spring 2008) The myosin head is not attached to any molecule http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Spring 2008) A contraction that generates force and moves a load is known as _____, whereas one that generates force without movement is known as _____.

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Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Spring 2008) Isotonic; isometric http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Spring 2008) Which of the following is a function of smooth muscle?

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Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Spring 2008) Forcing urine out of the urinary tract http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Spring 2008) In muscle contraction, calcium apparently acts to http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Spring 2008) Remove the blocking action of tropomyosin http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Spring 2008) Within a single fiber, the tension developed during a twitch depends on http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Spring 2008) The length of the sarcomeres prior to contraction http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Spring 2008) Which statement is true?

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Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Spring 2008) a. Myosin is a motor protein that converts the chemical bond energy of ATP into the mechanical energy of motion.

b. Each myosin molecules acts as an enzyme which both binds ATP and releases its energy c. The energy released by ATP produces the power stroke by swiveling the myosin head.

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Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Spring 2008) _____ is made of multiple globular molecules polymerized to form long chains or filaments.

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Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Spring 2008) a. Thick filaments b. Thin filaments c. An area of overlapping filaments http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Spring 2008) Contraction of vascular smooth muscle is regulated by http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Spring 2008) a. Ca 2 b. Hormones c. Paracrines d. Neurotransmitters http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Spring 2008) The power stroke begins when http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Spring 2008) The inorganic phosphate and ADP are released from the myosin http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Spring 2008) When comparing complete tetanus with unfused tetanus, which is true?

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Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Spring 2008) a. In complete tetanus, no relaxation occurs between stimuli b. In complete tetanus, maximum tension is developed c. In complete tetanus, the muscle fiber is stimulated at a higher frequency http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Spring 2008) In smooth muscle http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Spring 2008) Calcium ions do not bind to troponin molecules http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Spring 2006) The sliding filament of contraction involves http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Spring 2006) Actin and myosin sliding past each other but not shortening http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Spring 2006) Contraction of the papillary muscles http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Spring 2006) Prevent the atrioventricular valves from projecting into the atria http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Spring 2006) The _____ ear collects sound waves and transmits them to the _____ ear, which contains sensory organs for hearing.

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Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Spring 2006) Which of the following is NOT characteristic of smooth muscle http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Spring 2006) Smooth muscle connective tissue forms tendons http://www.jasonjones.co/biol3345.html

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Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Spring 2006) Which of the following would act as a stimulus to initiate a muscle contraction http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Spring 2006) a. Hormonal activity b. Neurotransmitters c. A change in the pH of a muscle http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Spring 2006) In muscle contraction, calcium apparently acts to http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Spring 2006) Remove the blocking action of tropomyosin http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Spring 2006) The amount of blood flow to skeletal muscle is greatly increased during exercise. This redirection of blood into muscle is accomplished by http://www.jasonjones.co/biol3345.html

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Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Spring 2006) The bacterium that causes tetanus produces a toxin that affects the central nervous system and skeletal muscle producing powerful tetanic contractions of the skeletal muscle. The toxin probably acts by http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Spring 2006) Making the cells less permeable to sodium ions http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Spring 2006) In the sympathetic nervous system, preganglionic fibers are _____ and post ganglionic fibers are _____.

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Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Spring 2006) All muscles cells are elongated and are therefore called muscle fibers.

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Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Spring 2006) a. Acetylcholine binds to receptors on the motor end plate b. Chemically regulated ion channels open, causing depolarization c. End plate potentials trigger action potentials d. Transverse tubules convey action potentials into the interior of the muscle fiber e. Ca 2+ is released from the saracoplasmic reticulum f. Ca 2+ ions bind to troponin-C, pulling on tropomyosin g. Binding sites on actin are uncovered, allowing myosin to bind and carry out power strokes http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Spring 2005) The depolarization phase of the conduction system muscle action potential is the result of http://www.jasonjones.co/biol3345.html

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Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Spring 2005) In muscle contraction, calcium apparently act to http://www.jasonjones.co/biol3345.html

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Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Spring 2004) sarcoplasm http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Spring 2004) The detachment of myosin cross-bridges is directly triggered by http://www.jasonjones.co/biol3345.html

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Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Spring 2004) At rest, the active sites on the the actin are blocked by http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Spring 2004) Tropomyosin molecules http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Spring 2004) Which of the floowoing is NOT a characteristic of smooth muscle http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Spring 2004) Smooth muscle connective tissue forms tendons http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Spring 2004) According to the length-tension relationship http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Spring 2004) a. There is an optimum range of actin and myosin overlap that will produce the greatest amount of tension b. The greater the zone of overlap in the sarcomere the greater the tension the muscle can develop http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Spring 2004) Materials can move across capillary walls by http://www.jasonjones.co/biol3345.html

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Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Spring 2004) Which of the following is most correct http://www.jasonjones.co/biol3345.html

Human Physiology BIOL 3345 Exam 3 Pervious Test Questions (Spring 2004) Myofilaments are sliding during isotonic contraction The A band does not shorten during isotonic contraction http://www.jasonjones.co/biol3345.html

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