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What is the correct term used to describe an intravenous injec on of a concentrated volume of
contrast media?
a. bolus
b. infusion
c. extravasa on
d. luminal - a. bolus
Which of the following methods u lizes a detector that captures x-ray energy and converts it
into an electronic signal?
a. indirect capture
b. CCD
c. casse!e based radiography
d. direct capture - d. direct capture
The energy of a characteris c x-ray photon created when an L shell electron fills a K shell
vacancy in a tungsten atom will have which of the following energies?
a. 69.5 keV
b. 57.5 keV
c. 91.5 keV
d. 12 keV - b. 57.5 keV
The energy of characteris c photons is determined by the difference in binding energies
between the two electron shells involved in the process, which in this ques on are K and L
shells. 69.5 (K shell) minus 12 (L shell) equals 57.5.
,Iden fy the posi on that will place the posi ve contrast agent in the body of the stomach and
pyloris during a double contrast upper GI exam?
a. recumbent LPO
b. supine
c. recumbent RPO
d. prone - d. prone
which posi on/projec on will best demonstrate the broad aspect of the frontal air sinus? - PA
Which posi on will best demonstrate the right axillary por on of the ribs? - RPO
Which posi on will emphasize the mucosal lining of the medial wall of the descending colon
during a lower GI exam? - le: lateral decubitus
Which projec on of the wrist will best demonstrate the interspaces of the carpal bone? - AP
An image is acquired with computed radiography using which of the following methods?
a. a casse!e that is electronically charged
b. conven onal film/screen processing
c. the use of a storage phosphor
d. nonne of the above - c. the use of a storage phosphor
A transformer constructed with 10,00 primary turns and 2,500 secondary turns will yield an
output voltage of _____ when being supplied with 210 volts.
a. 2710 volts
b. 52.5 volts
,c. 840 volts
d. 525 volts - b. 52.5 volts
Which of the following circuit components is considered to be the source for kVp?
a. step-up transformer
b. autotransformer
c. step-down transformer
d. high voltage transformer - b. autotransformer
Which of the following meds is administered to a pa ent during an allergic reac on?
a. Adenocard
b. Intropin
c. Lasix
d. Decadron - d. Decadron
If the improper body part is selected from the exam menu, which of the following may result?
a. there will be no image
b. there may be image misinterpreta on
c. will exhibit proper contrast and density
d. image sharpness will not be affected - b. there may be image misinterpreta on
Which of the following combina ons are needed in digital radiography system to produce an
image?
a. intensifying screen & TFT
b. x-ray absorber & CCD
c.. storage phosphor plate & CCD
, d. storage phosphor plate & TFT - b. x-ray absorber & CCD
Exposure la tude is also known as which of the following?
a. dynamic range
b. spa al resolu on
c. subject contrast
d. characteris c response - a. dynamic range
All of the following components are within the glass/metal enclosure of the x-ray tube except...
a. anode
b. stators
c. rotors
d. filament wires - b. stators
Universal precau ons should be prac ced on..
a. all isola on pa ents
b. CCU pa ents
c. pediatric pa ents
d. All pa ents - d. All pa ents
What is the minimum source to skin distance allowed for a mobile fluoroscopic unit? - 12
inches
Pregnant technologists should not receive more than ___ rem for the dura on of the
pregnancy.
a. 3
b. 0.5