Transcript Review Questions

Active Lecture Questions
CHAPTER
5
The
Integumentary
System
Copyright © 2010 Pearson Education, Inc.
The skin and its accessory structures (e.g.,
fingernails) make up which of the following
organ systems?
a. Epidermis system
b. Skin system
c. Integumentary system
d. Dermal system
Copyright © 2010 Pearson Education, Inc.
The saying “beauty is only skin deep” is
only pertinent to the __________ layer,
which is outwardly visible.
a. epidermal
b. dermal
c. hypodermal
d. integumentary
Copyright © 2010 Pearson Education, Inc.
The principal role of melanin is to
__________.
a. give one that “healthy tan look”
b. keep the body cool
c. provide a waterproof layer
d. shield the nucleus from damage by
ultraviolet radiation
Copyright © 2010 Pearson Education, Inc.
The principle role of keratin is to
__________.
a. give one that “healthy tan look”
b. keep the body cool
c. provide a waterproof layer
d. shield the nucleus from damage by
ultraviolet radiation
Copyright © 2010 Pearson Education, Inc.
The touch sensors of the epidermis are the
_________.
a. keratinocytes
b. tactile cells
c. epidermal dendritic cells
d. melanocytes
Copyright © 2010 Pearson Education, Inc.
A patient taking a drug that inhibits cell
division (such as certain chemotherapy
drugs) would expect which layer of the
epidermis to be most noticeably affected?
a. Stratum corneum
b. Stratum lucidum
c. Stratum spinosum
d. Stratum basale
Copyright © 2010 Pearson Education, Inc.
Fingerprints are copies of __________.
a. dermal papillae
b. epidermal papillae
c. dermal ridges
d. epidermal ridges
Copyright © 2010 Pearson Education, Inc.
The principle tissue found in the dermal
layer is ___________.
a. dense irregular connective tissue
b. stratified squamous epithelum
c. dense regular connective tissue
d. areolar connective tissue
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Which of the following types of sweat gland
secretion is thought to deter insects?
a. Eccrine
b. Apocrine
c. Ceruminous
d. Mammary
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The most important role of the eccrine
sweat gland is _________.
a. milk production
b. stress-induced sweating
c. body temperature regulation
d. earwax production
Copyright © 2010 Pearson Education, Inc.
One critical function of sebum, in addition
to roles in waterproofing and skin
softening, is that it provides protection
against ____________.
a. overexposure to the sun
b. overheating
c. harmful bacteria
d. abrasions or cuts to the skin
Copyright © 2010 Pearson Education, Inc.
What is one major function of arrector pili
muscle contraction that is particularly
important in nonhuman mammals?
a. The arrector pili muscle contracts to allow
for hair growth.
b. The arrector pili muscle contracts to shed
dead hairs.
c. The arrector pili muscle contracts to alarm
an approaching predator.
d. All of the above are true.
Copyright © 2010 Pearson Education, Inc.
A female patient with excessive facial hair
growth may have which of the following
ailments?
a. Excessive estrogen secretion from the
ovaries
b. Inadequate secretion of insulin from the
pancreas
c. Inadequate secretion of thyroid hormone
from the thyroid gland
d. Excessive secretion of androgens from an
adrenal tumor
Copyright © 2010 Pearson Education, Inc.
Loss of one’s skin, such as with severe
burns, leads to an increased risk of
__________.
a. bacterial infection
b. inadequate body temperature
maintenance
c. dehydration
d. all of the above
Copyright © 2010 Pearson Education, Inc.
The skin plays a role in the manufacture of
vitamin ______.
a. A
b. B
c. C
d. D
Copyright © 2010 Pearson Education, Inc.
Which of the following types of skin cancer
is the most dangerous?
a. Basal cell
b. Squamous cell
c. Melanoma
d. All are equally dangerous.
Copyright © 2010 Pearson Education, Inc.