What is the correct term used to describe an intravenous injection of a concentrated
n n n n n n n n n n n n n
volume of contrast media?
n n n n
a. bolusn
b. infusion
n
c. extravasation
n
d. luminal - answer-a. bolus
n n n n
Which of the following methods utilizes a detector that captures x-ray energy and
n n n n n n n n n n n n
converts it into an electronic signal?
n n n n n n
a. indirect capture
n n
b. CCD n n
c. cassette based radiography
n n n
d. direct capture - answer-d. direct capture
n n n n n n
The energy of a characteristic x-ray photon created when an L shell electron fills a K
n n n n n n n n n n n n n n n
shell vacancy in a tungsten atom will have which of the following energies?
n n n n n n n n n n n n n
a. 69.5 keV
n n
b. 57.5 keV
n n
c. 91.5 keV
n n
d. 12 keV - answer-b. 57.5 keV
n n n n n n
The energy of characteristic photons is determined by the difference in binding energies
n n n n n n n n n n n n
between the two electron shells involved in the process, which in this question are K
n n n n n n n n n n n n n n n
and L shells. 69.5 (K shell) minus 12 (L shell) equals 57.5.
n n n n n n n n n n n n
Identify the position that will place the positive contrast agent in the body of the stomach
n n n n n n n n n n n n n n n
nand pyloris during a double contrast upper GI exam?
n n n n n n n n
a. recumbent LPO
n n
b. supine
n
c. recumbent RPO
n n
d. prone - answer-d. prone
n n n n
which position/projection will best demonstrate the broad aspect of the frontal air sinus?
n n n n n n n n n n n n
- answer-PA
n n
Which position will best demonstrate the right axillary portion of the ribs? - answer-RPO
n n n n n n n n n n n n n
,Which position will emphasize the mucosal lining of the medial wall of the descending
n n n n n n n n n n n n n
colon during a lower GI exam? - answer-left lateral decubitus
n n n n n n n n n n
Which projection of the wrist will best demonstrate the interspaces of the carpal bone? -
n n n n n n n n n n n n n n
answer-AP
n
An image is acquired with computed radiography using which of the following methods?
n n n n n n n n n n n n
a. a cassette that is electronically charged
n n n n n n
b. conventional film/screen processing
n n n
c. the use of a storage phosphor
n n n n n n
d. nonne of the above - answer-c. the use of a storage phosphor
n n n n n n n n n n n n
A transformer constructed with 10,00 primary turns and 2,500 secondary turns will yield
n n n n n n n n n n n n
an output voltage of _____ when being supplied with 210 volts.
n n n n n n n n n n n
a. 2710 volts
n n
b. 52.5 volts
n n
c. 840 volts
n n
d. 525 volts - answer-b. 52.5 volts
n n n n n n
Which of the following circuit components is considered to be the source for kVp?
n n n n n n n n n n n n n
a. step-up transformer
n n
b. autotransformer
n
c. step-down transformer
n n
d. high voltage transformer - answer-b. autotransformer
n n n n n n
Which of the following meds is administered to a patient during an allergic reaction?
n n n n n n n n n n n n n
a. Adenocard
n
b. Intropin
n
c. Lasixn
d. Decadron - answer-d. Decadron
n n n n
If the improper body part is selected from the exam menu, which of the following may
n n n n n n n n n n n n n n n
nresult?
a. there will be no image
n n n n n
b. there may be image misinterpretation
n n n n n
c. will exhibit proper contrast and density
n n n n n n
d. image sharpness will not be affected - answer-b. there may be image
n n n n n n n n n n n n
nmisinterpretation
Which of the following combinations are needed in digital radiography system to
n n n n n n n n n n n
produce an image?
n n n
a. intensifying screen & TFT
n n n n
b. x-ray absorber & CCD
n n n n
c.. storage phosphor plate & CCD
n n n n n
d. storage phosphor plate & TFT - answer-b. x-ray absorber & CCD
n n n n n n n n n n n
,Exposure latitude is also known as which of the following?
n n n n n n n n n
a. dynamic range
n n
b. spatial resolution
n n
c. subject contrast
n n
d. characteristic response - answer-a. dynamic range
n n n n n n
All of the following components are within the glass/metal enclosure of the x-ray tube
n n n n n n n n n n n n n
except...
n
a. anode
n
b. stators
n
c. rotors
n
d. filament wires - answer-b. stators
n n n n n
Universal precautions should be practiced on..
n n n n n
a. all isolation patients
n n n
b. CCU patients
n n
c. pediatric patients
n n
d. All patients - answer-d. All patients
n n n n n n
What is the minimum source to skin distance allowed for a mobile fluoroscopic unit? -
n n n n n n n n n n n n n n
answer-12 inches
n n
Pregnant technologists should not receive more than ___ rem for the duration of the
n n n n n n n n n n n n n
pregnancy.
n
a. 3n
b. 0.5
n
c. 0.15
n
d. 2.5 - answer-b. 0.5 rem
n n n n n
How much annual exposure can a 49 year old occupational worker receive?
n n n n n n n n n n n
a. 490 mSv
n n
b. 290 mSv
n n
c. 50 mSv
n n
d. 75 mSv - answer-c. 50 mSv
n n n n n n
What is the primary purpose for the use of beam filtration?
n n n n n n n n n n
a. to reduce skin entrance exposure
n n n n n
b. to modify subject contrast
n n n n
c. to limit the production of secondary radiation
n n n n n n n
d. to offset variations in part thickness - answer-a. to reduce skin entrance exposure
n n n n n n n n n n n n n
The reproducibility of exposures of a radiographic unit must not vary more than ____ %
n n n n n n n n n n n n n n
to be considered within acceptable limits.
n n n n n n
a. 2.5
n
b. 5n
, c. 10
n
d. 12.5 - answer-5%
n n n
Average body build comprising 50% of the population? - answer-Sthenic
n n n n n n n n n
Below average body build comprising 35% of the population? - answer-Hyposthenic
n n n n n n n n n n
Extremely small body build comprising 10% of the population? - answer-Asthenic
n n n n n n n n n n
Above average or massive body build comprising 5% of the population? - answer-
n n n n n n n n n n n n
Hypersthenic
What makes up the axial skeleton? - answer-toward the center or middle of the body-
n n n n n n n n n n n n n n
includes skull, hyoid, vertebral column, and thorax.
n n n n n n n
What makes up the appendicular skeleton? - answer-upper & lower extremities, the
n n n n n n n n n n n
shoulder girdle & pelvic girdle
n n n n n
The mastoid process is located at the level of... - answer-C1
n n n n n n n n n n
The thyroid cartilage is located at the level of... - answer-C4-5
n n n n n n n n n n
The vertebral prominens is located at the level of... - answer-C7
n n n n n n n n n n
The sternal/jugular notch is located at the level of... - answer-T2-3
n n n n n n n n n n
The sternal angle is located at the level of... - answer-T4-5
n n n n n n n n n n
The inferior angle of the scapula is located at the level of... - answer-T7
n n n n n n n n n n n n n
The xiphoid tip is located at the level of... - answer-T10
n n n n n n n n n n
The umbilicus is at the level of... - answer-L3-4
n n n n n n n n
The iliac crest is at the level of... - answer-L4
n n n n n n n n n
The greater trochanter is at the level of... - answer-the pubic symphysis
n n n n n n n n n n n
The lower costal margin is at the level of... - answer-L1-2
n n n n n n n n n n
The ASIS is at the level of... - answer-S1
n n n n n n n n
AP Axial Skull is also known as... - answer-"Townes" method
n n n n n n n n n
PA Axial skull is also known as... - answer-Caldwell method
n n n n n n n n n
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