Transcript COMPETITION

COMPETITION
Utilization of a large focal spot will result in:
a.
b.
c.
d.
greater concentration of heat on the anode
decreased concentration of heat on the anode
decreased electron emission
increased energy of the x-rays produced
5.
Which of the following pathological conditions
would require a decrease in mAs or kVp to maintain
an acceptable density?
1.
2.
3.
Paget's disease
pulmonary emphysema
osteoporosis
a.
b.
c.
e.
1
2
2 and 3
1, 2 and 3
6.
The crushing of a stone or calculus in
the kidney is called:
a.
b.
c.
d.
lithotomy
nephrolithiasis
pyelonephritis
lithotripsy
8.
Which of the following structures is
located most anterior in the abdomen?
a.
b.
c.
d.
spleen
kidney
transverse colon
inferior vena cava
The medical term that refers to the
condition of dead tissue is:
10.
a.
b.
c.
d.
necrosis
necropsy
noctihistosis
nyctohistosis
On a correctly positioned AP
projection of the pelvis, which structure
should NOT be visualized?
14.
a.
b.
c.
d.
greater trochanter
lesser trochanter
femoral neck
femoral head
22.
The majority of damage to the DNA
molecule results from the _____ effect of
radiation.
a.
b.
c.
direct
indirect
both occur equally
A radiograph of wire mesh is obtained utilizing 5
mAs, 50 kVp, a 40" SID and 200 film screen speed. A
localized area of unsharpness is detected in one corner of
the radiograph.
This area of unsharpness is most likely due to:
32.
a.
of the screen
b.
c.
d.
difference in intensification factor in that area
variation in focal spot size
quantum mottle effect
poor screen film contact
•
A.
B.
C.
D.
Radiographic ____ is random
fluctuation in the optical density of
a radiograph.
a.detail
b.contrast
c.noise
d.resolution
33.
In order to utilize the anode heel effect,
the body area being radiographed with the
greatest thickness should be positioned:
a.
at the anode side of the x-ray
b.
at the cathode side of the x-ray
c.
in the central portion of the x-ray
beam
beam
beam
When adjusted, which of the following
factors provides a direct proportional
relationship with the number of x-rays
produced?
36.
a.
b.
c.
d.
e.
mA
SID
kVp
intensifying screen speed
grid ratio
Which of the following phosphors is not
used in intensifying screens?
37.
a.
b.
c.
d.
calcium tungstate
gadolinium
thorium
d. lanthanum
A deficiency of oxygen in the blood
is termed:
41.
a.
b.
c.
d.
anosmia
hypoxemia
tachypnea
apnea
To demonstrate the coccyx with the patient
prone, the central ray should be directed:
50.
a.
b.
c.
d.
e.
perpendicular to the film
10 degrees cephalad
20 degrees cephalal
10 degrees caudad
40 degrees caudad
A film badge reading of 70
mrem is equal to how many rem?
62.
a.
b.
c.
d.
70,000
7,000
.70
.07
64.
An increase in filtration of the x-ray beam
would result in an:
a.
b.
c.
d.
increase in output in mR/second
increased skin dose to the patient
increase in the half value layer
increase in radiographic contrast
Which of these body parts has the highest
subject contrast?
a.abdomen
b.skull
c.chest
d.pelvis
Compared with an 8:1 grid, a 16:1 grid exhibits
which of the following characteristics?
197.
a.
b.
c.
latitude
d.
greater cleanup, less positioning latitude
less cleanup, greater positioning latitude
greater patient does, greater positioning
greater selectivity, less patient dose
66.
What is the maximum
permissible dose for a radiation
worker?
a.
b.
c.
d.
.5 rem per year
5 rems per year
5 mrems per year
the least amount possible
The resultant effect of an increase in voltage to the xray tube is production of x-rays with:
a.
b.
c.
d.
longer wavelengths and higher frequencies
shorter wavelengths and higher frequencies
longer wavelengths and lower frequencies
shorter wavelengths and lower frequencies
182A patient arrives via ambulance to the emergency
room on a backboard and in a cervical collar following
a motor vehicle accident. The most likely examination
to be ordered first is:
a.
b.
c.
d.
portable chest
lateral skull
rib series
portable cross-table lateral cervical spine
The sensing material in a thermoluminescent
dosimeter badge is:
80.
a.
b.
c.
d.
yttrium
lanthanum
zinc cadmium
lithium fluoride
What is the maximum amount of time that can
elapse before the fluoroscopic cumulative timer must
be reset?
165.
a.
b.
c.
d.
5 minutes
10 minutes
15 minutes
20 minutes
A device that stores an electrical
charge is a:
82.
a.
b.
c.
d.
generator
solenoid
capacitor
rectifier
Which of the following phases in the cycle of
the cell would possess the highest radiosensitivity?
86.
a.
b.
c.
d.
ANAPHASE
METAPHASE
PROPHASE
TELOPHASE
2.
Cyanosis is an indication of:
a.
b.
c.
d.
osteoporosis
end-stage renal disease
lack of oxygen to the tissues
hypovolemia
When a barium enema is being
administrated, the barium bag should be:
89.
a.
b.
c.
d.
30 inches above the patient's hips
4 feet, above the patient's hip
as high as possible
50 inches above the patient's hips
91.
Static artifacts can be prevented by:
a.
b.
static cleaner
c.
friction
d.
e.
maintaining darkroom humidity at 40 - 60%
cleaning the intensifying screens with antihandling film gently to reduce or prevent
all of the above
a. and b.
92.
Reduction of a 14 x 17 inch field to an 8 x 10 inch
field with all other factors remaining the same would
result in:
a.
radiation
b.
radiation
c.
radiation
d.
radiation
increased density and decreased scattered
increased density and increased scattered
decreased density and decreased scattered
decreased density and increased scattered
A vascular tumors treated with radiotherapy are
sometimes also treated with hyperbaric therapy because:
172.
a.
b.
conditions
c.
conditions
d.
oxygen helps repair radiation burns
tumors are more sensitive in oxygenated
tumors are less sensitive in oxygenated
hyperbaric therapy aids patient comfort level
The difference between gamma
rays and x-rays is:
173.
a.
b.
c.
d.
size
source
penetrating ability
charge
179Which of the following are beam restriction
devices?
a.
b.
c.
d.
grids, cones, collimator
collimator, cone, diaphragm
grid, AEC, collimator
cone, AEC, radiolucent sponge
The medical term for the structure that
prevents choking is:
99.
a.
b.
c.
e.
hyoid bone
thyroid cartilage
larynx
epiglottis
The most common television camera
tube used for fluoroscopy is a:
110.
a.
b.
c.
d.
grid pulsed
vidicon
opticon
orthochromatic
A one-time, 200-R dose directly to
the hair follicles would most likely result
in:
163.
a.
b.
c.
d.
moist desquamation
epilation
hirsutism
hematopoietic syndrome
.
The number of solid state
rectifiers utilized for three phasetwelve pulse generation would be:
111
a.
b.
c.
d.
2
4
8
12
13.
A nosocomial infection is one that:
a.
b.
c.
d.
is acquired from a friend or loved one
is non-communicable
is acquired in the hospital setting
presents no danger to the patient
The AEC accounts for all of the following
exposure factor variables except:
198.
a.
b.
c.
d.
distance
part thickness
pathology
positioning
200. The 10-day rule is a guide concerning which of
the following time periods?
a.
ten days past the first trimester
b.
ten days following the onset of menstruation
c.
the first 10 days of gestation ten days
following a childbirth
The slipping of one part of an
intestine into another part of the intestine
just below it is called:
118.
a.
b.
c.
d.
peristalsis
enteritis
bullimia
intussusception
Which of the following is a method
of radiation protection also resulting in
improved contrast?
121.
a.
b.
c.
use of grids
collimation
use of low kVp, high mAs
d.
all of the above
factors
Which type of waveform is associated
with an approximate 13% voltage ripple?
45.
a.
b.
c.
d.
three-phase, twelve-pulse
three-phase, six-pulse
single-phase
half-wave rectified
HIV may be transmitted in all of the
following ways except:
4.
a.
b.
c.
d.
transfusions
giving birth
sharing drinking water
sharing needles
Which of the following types of interactions
would occur in the diagnostic x-ray range, (50 to 150
KV)?
123.
1.
2.
3.
photoelectric effect
Compton effect
pair production
a.
b.
c.
d.
e.
1
1 and 2
1 and 3
2 and 3
1, 2 and 3
In order to correctly center a PA view of the
hand, the CR should be directed:
67.
a.
5 degrees cephalic at the third metacarpal
b.
c.
d.
perpendicular to the third metacarpal
parallel to the base of the third metacarpal
5 degrees caudad at the third metacarpal
head
head
Of the following, which view(s) of the
cervical spine will demonstrate the
interveretebral formamina closest to the film?
68.
a.
b.
c.
d.
lateral
AP
RAO
LPO
Which of the following facial and
skull landmarks describes the junction of
the nose with the upper lip?
74.
a.
b.
c.
d.
Glabella
Acanthion
Nasion
Outer canthus
The vermiform appendix hangs from
the inferior surface of which subdivision of the
colon?
77.
a.
b.
c.
d.
rectum
cecum
ascending
descending
•
A.
B.
C.
D.
Which medical condition may
require a lower technique?
atelectasis
emphysema
pneumonia
pleural effusion
A type of personnel monitoring device that
is based on the measurement of light emitted from
a heated material is in:
125.
a.
b.
c.
d.
ion chamber
film badge
Geiger counter
Thermoluminescent dosimeter
81.
All of the following are attributes of short-scale
contrast except:
a.
b.
c.
d.
high contrast
wide film latitude
produced by high mAs, low kVp
few number of density differences
167Which of the following will provide an
immediate reading for a one-time, high-level
exposure?
b.
a.
TLD
film badge
c.
lithium fluoride crystal
d.
pocket dosimeter
187.
A double-focus x-ray tube has
two:
a.
b.
c.
d.
filters
windows
filaments
rectifiers
What is the most important action a technologist
should take regarding a patient who is vomiting and
unresponsive?
8.
a.
b.
c.
d.
position
provide an emesis basin
call the nurse
turn the patient into a prone position
turn the patient into a lateral recumbent
As intensifying screen speed
increases, density:
189.
a.
b.
c.
d.
increases
decreases
is unchanged
becomes upredictable
•
A.
B.
C.
D.
Which sinus is located immediately
below the sella turcica?
frontal
maxillary
ethmoidal
sphenoidal
If all other exposure factors are
stable, then of the following factors, which
is MOST important concerning recorded
detail?
191.
a.
b.
c.
d.
grid ratio
exposure time
screen speed
kVp
The single best method the technologist can use
to decrease voluntary motion is:
193.
a.
b.
c.
d.
short exposure times
long exposure times
good communication
fast screens
A patient with profound mental
retardation arrives in the radiology
department for flat and upright abdomen
examination fail; it is apparent that the patient
must be held if the examination is to be
successful. Of the following the best individual
to hold the patient is:
169.
a.
b.
c.
d.
another technologist
the patient's mother
an orderly
a nurse
There is complete absorption of the
incident x-ray photon with
• a.photoelectric effect.
• b.Compton interaction.
• c.pair production.
• d.coherent scatter
•
A.
B.
C.
D.
When only optical density needs to
changed, then only the ____ should be
adjusted.
mAs
kVp
SID
Both a and b
Which of the following pieces
of equipment would be used for
testing the focal spot size?
126.
a.
b.
c.
d.
pinhole camera
wire mesh
penetrometer
sensitometer
•
A.
B.
C.
D.
The use of ____ reduces the risk of a
drug reaction during angiographic
procedures.
hydrophilic catheters
ionic contrast
nonionic contrast
heparin coating
When performing a
radiographic examination of the
stomach, which position/projection
demonstrates barium in the fundus?
56.
a.
b.
c.
d.
RAO
erect
AP
right lateral
Where should the technologist wear his/her
film badge during the lumbar spine exam :
63.
a.
b.
c.
Be.d
on the waist level
on the collar level
on the abdomen level
below the waist level
In a double-contrast barium enema
examination, the primary area of interest for a 45
dergree RAO projection is the:
65.
a.
b.
c.
d.
rectum
splenic flexure
hepatic flexure
sigmoid colon
An outer-shell electron is ejected and the
atom is ionized with
a. photoelectric interactions.
b. Compton interactions.
c. coherent scattering.
d. pair production
Improper stacking of film boxes in the film
storage is is likely to cause:
88.
a.
b.
c.
d.
static artifact
tree artifact
pressure artifact
fingernail artifact
The term used to describe the
statistical variation in the number of x-ray
photons absorbed by the intensifying screen
is:
129.
a.
b.
c.
d.
noise
latent image
latitude
artifact
The radiologic technologist can facilitate a
lumbar spine examination by increasing the patient's
comfort level by:
14.
a.
b.
requesting pain medicine for the patient
placing a pad or sponge under the patient's
knees
c.
limiting the examination to anteroposterior
(AP) and lateral views
d.
performing the examination as rapidly as
possible
How much time is required for an
exposure equaling 70 mAs when using
the 200-mA small focal spot station?
91.
a.
b.
c.
d.
0.50 sec
1 sec
0.35 sec
0.55 sec
56.
The term base plus fog describes:
a.
b.
radiation
c.
density
d.
such a radon
unwanted exposure of film to light
unwanted exposure of film from scatter
inherent manufacturing and processing
contributing environmental exposure factors,
Radiographic evaluation of the uterus and
fallopian tubes by injection of iodinated contrast
material via uterine cannulation is called:
78.
a.
b.
c.
d.
Uterography
Pelvic pneumography
Hysterogram
Hysterosalpingography
A type of shielding that
attaches to the x-ray tube is:
23.
a.
b.
c.
d.
contour
flat
shadow
flat
The amount of exposure produced at a 40"
SID is 80 mR per exposure. If all other factors
remain the same, what would be the exposure in
mR, if the SID is increased to 80"?
130.
a.
b.
c.
d.
e.
320 mR
40 mR
160 mR
20 mR
200 mR
One of the most radiosensitive tissues in
the body is ____ tissue.
a.spinal
b.muscle
c.lymphatic
d.thyroid
137. Which of the following projections of the foot
would best demonstrate the articulation between the
cuboid and the calcaneus?
a.
b.
c.
d.
dorsoplantar projection
medial oblique projection
lateral oblique projection
lateral medial projection
According to the laws of Bergonie and
Tribondeau, which of the following cell types
would be least radiosensitive?
30.
a.
b.
c.
d.
muscle cells
nerve cells
liver cells
bone marrow cells
Which of the following formulas is
used to determine HU output of a threephase, twelve-pulse radiographic unit?
95.
a.
b.
c.
d.
HU = mA x s x kVp
HU = mA x s x kVp x 1.35
HU = mA x s x kVp x 1.41
HU = mA x s x kVp x 2
41.
The device that selects kVp is a:
a.
b.
c.
d.
rheostat
capacitor
autotransformer
resistor
In double-contrast-enhanced
UGI series, which view demonstrates
the lesser and greater curvatures?
79.
a.
b.
c.
d.
LPO
AP
Lateral
PA
What device would be used to
measure B+F?
31.
a.
b.
c.
d.
photometer
wire mesh
densitometer
photocathode
A lateral projection of the ankle will
demonstrate the talus:
141.
a.
b.
c.
d.
superimposing the navicular
lateral to the calcaneus
superior to the calcaneus
anterior to the navicular
Forms of patient communication
include which of the following?
12.
a.
b.
c.
d.
verbal
facial expressions
appearance
all of the aforementioned
86.
The ratio of the height of the
lead strips to the width of the
interspace material in a grid is
known as:
a.
b.
c.
d.
grid radius
grid ratio
grid cutoff
lines per inch
•
A.
B.
C.
D.
The dose limit for the general public is
____ the dose limit for occupational
exposure.
1/10
1/5
1/2
3/4
The act of swallowing is termed:
a.mastication.
b.digestion.
c.deglutition.
d.aphasia
The complete removal of all
microorganisms and their spores is
referred to as:
18.
a.
b.
c.
d.
asepsis
sterile field
surgical asepsis
medical asepsis
Which of the following examinations
would best demonstrate the presence of free air
under the right hemidiaphragm?
64.
a.
b.
c.
d.
KUB
UGI
left lateral decubitus
right lateral decubitus abdomen
• Roentgens (or grays) is the measurement
for x-ray ____.
a.quantity
b.exposure
c.intensity
d.All of the above.
• The swimmer’s technique lateral
projection is performed to demonstrate
the:
a.cervical vertebrae
b.thoracic vertebrae
c.atlas and axis
d.cervicothoracic region vertebrae
81.
A step-down transformer would be utilized:
a.
ray tube
b.
c.
d.
in the production of high voltage to the xin the production of tube current
to compensate line voltage
to adjust kVp
Humans are most radiosensitive during
a.fetal stages.
b.infancy.
c.adulthood.
d.old age.
Which two vessels deliver blood to the
heart muscle?
a.Right and left pulmonary arteries
b.Right and left pulmonary veins
c.Right and left coronary arteries
d.Right and left cardiac arteries
Radioactive material is measured in ____.
a.rads
b.rems
c.seiverts
d.curies
Which of the following types of precautions
usually requires more than one person to perform
the exam?
145.
a.
b.
c.
d.
airbome
droplet
contact
standard
The two primary forms of x-ray
interaction in the diagnostic range are
A. Compton scattering and photoelectric
absorption.
B. Compton scattering and pair production.
C. photoelectric absorption and coherent
scattering.
D. coherent scattering and Thompson
scattering
The functional unit of the kidney
is known as the:
66.
a.
b.
c.
d.
nephron
axon
glomerulus
renal tubule
146.
Which of the following causes hypovolemic
shock?
a.
abnormal dilatation of the peripheral blood
b.
c.
d.
sever systemic infections
low volume of plasma in the body
sensitivity to contrast agents
vessels
The rapid onset of severe
cardiovascular and respiratory symptoms
following non-ionic contrast-media injection,
including cessation of heartbeat and
respiration, is best described by which term?
10.
a.
b.
c.
d.
diaphoresis
DVT
anaphylactic shock
prn
Protective apparel such as lead aprons and gloves
should be _____ at least once every ____.
164.
a.
b.
c.
d.
worn, week
imaged, month
worn, day
imaged, year
Approximately ____ of the kinetic energy
of the projectile electrons is converted to
x-rays at the target.
a.1%
b.10%
c.50%
d.99%
Which of the letters in the diagram refers to a
navicular bone?
157.
a.
b.
c.
d.
d
a
b
c
d
____ is a late effect of radiation exposure.
a.Erythema
b.Epilation
c.Cancer
d.Nausea
Photons with the highest frequencies have
the
a.highest velocity.
b.lowest energy.
c.longest wavelengths.
d.shortest wavelengths
12.
The ileocecal valve is located
in the:
a.
b.
c.
d.
right upper quadrant
right lower quadrant
left upper quadrant
left lower quadrant
Which type of rectification
eliminates the negative alternation of
alternating current?
42.
a.
b.
c.
d.
half-wave
full-wave
three-phase
inverse
To demonstrate the zygapophyseal joints
of the lumbar spine, the patient angle is:
a.30 degrees
b.45 degrees
c.50 degrees
d.55 degrees
If the wavelength of a beam of
electromagnetic radiation increases by a
factor of 2, then its frequency must
a.double.
b.increase four times.
c.decrease by half.
d.remain constant
WhWhich of the following projection would demonstrate
all of the sinuses?
a.
b.
c.
PA
SMV
lateral
c.
AP Caldwell
d.
Waters
• What is the classification of barium
sulfate as a contrast media?
a.Radiopaque
b.Radiolucent
c.Isodense
d.Negative contrast media
What device is used to test
accuracy of the x-ray timer?
100.
a.
b.
c.
d.
aluminum step wedge
spinning top
star pattern
densitometer
wIn what hat position was this
radiograph obtained?
.
RAO
LPO
lateral
AP erect
The theory of radiation hormesis suggests
that radiation doses below 10 rads are
____.
a.carcinogenic
b.beneficial
c.lethal
d.harmful
The highest incidence of infection
transmission can be attributed to which of
the following?
15.
a.
b.
c.
d.
hands
improper sterilization
droplet contact
improper linen disposal
34.
If after processing the films come out hot
and brittle, the probable cause is:
a.
fixer over-replenishment
b.
inadequate developer replenishment
c.
dryer temperature too high
Ded. developer temperature too high
Which of the following
measurements requires multiplication by
the QF in order to attain it?
32.
a.
b.
c.
d.
rem
rad
R
Gy
An indirect means of spreading
microorganisms in the OR is:
147.
a.
b.
c.
d.
e.
by instruments
by hand to hand contact
by ventilation
a. and b.
a. and c.
The most commonly performed oblique
projection of the foot is the:
A.
B.
C.
D.
AP oblique in medial rotation
AP oblique in lateral rotation
PA oblique in medial rotation
PA oblique Grashey method
The navicular articulates anteriorly with
which tarsal bone?
150.
a.
b.
c.
d.
e.
talus
bases of the 1st and 2nd metatarsals
heads of the 1st and 2n metatarsals
cuneiforms
cuboid
In order to measure potential
difference, the voltmeter should be wired in
a:
151.
a.
b.
c.
series circuit
parallel circuit
series or parallel circuit
.
LLetter “A” is pointing to:
a.
b.
c.
d.
a. lateral mass
b. zygoapophyseal joint
c .superior articular process
d. C2
The best way to hold patients who are
unable to support themselves is to use
a.restraining devices.
b.family members.
c.other hospital staff.
d.technologists
The greatest threat of occupational
exposure arises from:
25.
a.
b.
c.
d.
Compton scatter
Primary beam
Thompson scatter
photoelectric effect
17.
Which blood pressure indicates
shock?
a.
b.
c.
d.
110/80
160/110
80/60
none of the aforementioned
The term antrum of Highmore refers to
the:
a.frontal sinuses.
b.ethmoid sinuses.
c.maxillary sinuses.
d.nasal cavity.
Which of the following is prominently
shown "in profile" on an AP projection of
the shoulder with the humerus in external
rotation?
A.
B.
C.
D.
lesser tubercle
greater tubercle
scapulohumeral joint
acromioclavicular joint
3.
Decubitus ulcers:
a.
may be minimized by frequent
b.
c.
are commonly called bedsores
are caused by lack of oxygen to
d.
are all of the aforementioned
turning
tissue
Elevated BUN and creatinine levels
are markers of which of the following?
19.
a.
b.
c.
d.
patient age
renal function
small bowel obstruction
all of the aforementioned
What is the milliamperage used during
fluoroscopy?
a. 100 mA
b. b. 50 mA
c. c. 5 mA
d. d. 1 mA
What is the difference, in degrees, between
the infraorbitomeatal and orbitomeatal
lines?
a.10 degrees
b.15 to 2 degrees
c.7 to 8 degrees
d.20 to 25 degrees
If a technologist is receiving 200 mR/hr standing
1 foot from the patient during fluoroscopy,
what is his rate of exposure when he steps
back to a distance of 2 feet from the patient?
a.50 mR/hr
b.74 mR/hr
c.100 mR/hr
d.175 mR/hr
To demonstrate the sacroiliac joint
with the patient supine, the affected side
should be elevated:
16.
a.
b.
c.
d.
15 degrees
25 degrees
45 degrees
60 degrees
• Which of the following kV ranges
should be used for an upper GI series
using barium sulfate (single contrast
study)?
a.80 to 90 kV
b.90 to 100 kV
c.100 to 110 kV
d.125 to 140 kV
•
A.
B.
C.
D.
An abnormal lateral curvature of
the spine is termed:
scoliosis
kyphosis
lordosis
scoliokyphosis
Bremsstrahlung x-rays are produced by
____ at the target.
A.
B.
C.
D.
outer shell excitation.
slowing electrons.
K-shell interactions.
L-shell interactions
Which term describes the leakage of
contrast media from a vein into the
surrounding tissues of the arm?
a.Extravasation
b.Filtration
c.Exudation
d.Micturition
A. The data on the personnel
radiation monitoring report must
always include the
B. current exposure.
C. cumulative annual exposure.
D. skin dose.
E. Both a and b
•
A.
B.
C.
D.
The fluoroscopic exposure control
switch is always a(n) ____ type.
rheostat
automatic
deadman
on-off
Film is made with double emulsion to
enhance film ____.
a.sensitivity
b.latitude
c.contrast
d.speed
What is another term for the pancreatic
duct?
a.Duct of Wirsung
b.Hepatopancreatic duct
c.Duct of Langerhans
d.Ampulla of Vater
15
The medical term hematuria
can be defined as:
a.
b.
c.
d.
e.
blood
blood in the urine
blood in the the stool
blood in the spinal canal
blood in the renal pelvis
urine constituents in the
Which kVp selection would result in the
most scattered x-rays in the imageforming beam?
a.90 kVp
b.75 kVp
c.60 kVp
d.50 kVp
•
A.
B.
C.
D.
The first component to receive power
in the x-ray circuit is the ____.
.mA meter
high voltage transformer
rectifier
autotransformer
According to NCRP guidelines, at least how
much filtration is required of an exposure room used
primarily for examination of the GI tract?
160.
a.
b.
c.
d.
2.5 mm A1
0.0025 mm A1
1.5 mm Mo
0.5 mm A1
The Mnemonic ABC is a shorthand expression
for which of the following emergency
procedures?
a.
b.
c.
d.
Heimlich maneuver
CPR
Hemostasis
Mouth-to-mouth resuscitation
Modern radiographic film base is made of
____.
a.cellulose nitrate
b.silver halide
c.gelatin
d.polyester
Which of the following are
examples of inherent filtration
elements?
161.
a.
b.
c.
d.
collimator
oil coolant
aluminum inserts
mirror
Dose in ____ is used to identify irradiation
of patients.
a.rems
b.rads
c.R
d.Sv
The purpose of a grid is to achieve
a.reduction of patient dose.
b.extended tube life.
c.improved image contrast.
d.All of the above.
The normal creatinine level (diagnostic
indication of kidney function) for an
adult is:
a.0.1 to 0.5 mg/dl.
b.0.6 to 1.5 mg/dl.
c.3 to 4.5 mg/dl.
d.6 to 7.5 mg/dl
•
A.
B.
C.
D.
A transformer has 100 coils on the
primary side and 300 coils on the
secondary side. What will the voltage
be on the secondary side if the
primary side is supplied with 120
volts?
100 V
300 V
360 V
3600 V
How is the water-soluble contrast media
eliminated following a myelogram?
a.Withdrawn through a needle/syringe
b.Remains in the spinal canal
c.Excreted by the kidneys
d.Excreted by the lungs
The process of the ethmoid bone containing
many foramina is the:
a.
b.
c.
d.
crista galli
pterygoid process
cribriform plate
superior conchae
Which of the following
carpal bones is the most
frequently fractured?
42.
a.
b.
c.
d.
hamate
scaphoid
trapezium
pisiform
The reduction of radiation intensity due to
scattering and absorption is called ____.
A.
B.
C.
D.
reflection
refraction
attenuation
dispersion
Which of the following techniques is most
effective in preventing lung markings from
obscuring the sternum?
a.Use a high kV.
b.Oblique as much as needed to not superimpose
the sternum over the hilum region.
c.Decrease the SID to magnify the sternum.
d.Use a breathing technique
•
A.
B.
C.
D.
There is usually a ____ before the
symptoms of acute radiation
syndromes appear.
latent period
recovery period
prolonged illness
loss of hair
Which term describes the leakage of
contrast media from a vein into the
surrounding tissues of the arm?
A.
B.
C.
D.
Extravasation
Filtration
Micturition
Exudation
Which level of severity is the reaction of
giant hives?
a.Normal side effect
b.Mild reaction
c.Moderate reaction
d.Severe reaction
A loss of consciousness due to reduced
cerebral blood flow is termed:
a.syncope.
b.brachycardia.
c.hypotension.
d.angioedema.
A twisting of the intestine on its own
mesentery is termed:
A.
B.
C.
D.
intussusception.
volvulus
diverticulosis.
enteritis
•
A.
B.
C.
D.
The principal radiation interactions
within the human body are assumed
to be
indirect effects.
direct effects.
DNA damage.
cell destruction.
The production of heat at the anode is
directly proportional to
A.
B.
C.
D.
rotor speed.
filament current
kVp.
tube current.
• The total destruction of microorganisms is
accomplished through the use of:
• a.disinfectants
• b.sterilization
• c.germicides
• d.antiseptics
Which basic projection of the elbow best
demonstrates the olecranon process in
profile?
a.AP
b.Lateral
c.Medial rotation oblique
d.Lateral rotation oblique
What is the recommended treatment for
extravasation?
a.Give the patient diphenhydramine
(Benadryl).
b.Lay the patient down and elevate lower
limbs.
c.Increase IV fluids.
d.Place a warm towel over the injection site
The fluoroscopic exposure control switch
is always a(n) ____ type.
a.rheostat
b.automatic
c.deadman
d.on-off
What CR angulation is required for the
AP oblique projection of the foot?
a.CR is perpendicular to the image receptor
b.10 degrees posterior
c.15 to 20 degrees posterior
d.5 to 7 degrees posterior
Where is bile formed?
a.Gallbladder
b.Duodenal mucosa
c.Liver
d.Pancreas
Where is the contrast media instilled
during a myelogram?
a.Subarachnoid space
b.Epidural space
c.Subdural space
d.Spinal cord
In which of the four major quadrants of
the abdomen would the cecum be found?
a.Right upper quadrant
b.Left upper quadrant
c.Right lower quadrant
d.Left lower quadrant
Which is the most commonly fractured
carpal bone?
a.Lunate
b.Trapezium
c.Scaphoid
d.Hamate
Select the imaging system that provides
the highest beam quality.
• a.single-phase, half-wave rectified
• b.high frequency
• c.three-phase, twelve-pulse
• d.single-phase, full-wave rectified