ARRT Registry Exam review Questions
and Answers
What is the correct term used to describe an intravenous injection of a concentrated volume of contrast
media?
a. bolus
b. infusion
c. extravasation
d. luminal - correct answers:a. bolus
Which of the following methods utilizes a detector that captures x-ray energy and converts it into an
electronic signal?
a. indirect capture
b. CCD
c. cassette based radiography
d. direct capture - correct answers:d. direct capture
The energy of a characteristic 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 - correct answers:b. 57.5 keV
The energy of characteristic photons is determined by the difference in binding energies between the
two electron shells involved in the process, which in this question are K and L shells. 69.5 (K shell) minus
12 (L shell) equals 57.5.
Identify the position that will place the positive 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 - correct answers:d. prone
which position/projection will best demonstrate the broad aspect of the frontal air sinus? - correct
answers:PA
Which position will best demonstrate the right axillary portion of the ribs? - correct answers:RPO
Which position will emphasize the mucosal lining of the medial wall of the descending colon during a
lower GI exam? - correct answers:left lateral decubitus
Which projection of the wrist will best demonstrate the interspaces of the carpal bone? - correct
answers:AP
An image is acquired with computed radiography using which of the following methods?
a. a cassette that is electronically charged
b. conventional film/screen processing
c. the use of a storage phosphor
d. nonne of the above - correct answers: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 - correct answers: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 - correct answers:b. autotransformer
Which of the following meds is administered to a patient during an allergic reaction?
a. Adenocard
b. Intropin
c. Lasix
d. Decadron - correct answers: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 misinterpretation
c. will exhibit proper contrast and density
d. image sharpness will not be affected - correct answers:b. there may be image misinterpretation
Which of the following combinations 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 - correct answers:b. x-ray absorber & CCD
Exposure latitude is also known as which of the following?
a. dynamic range
b. spatial resolution
c. subject contrast
d. characteristic response - correct answers: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 - correct answers:b. stators
Universal precautions should be practiced on..
a. all isolation patients
b. CCU patients
c. pediatric patients
d. All patients - correct answers:d. All patients
What is the minimum source to skin distance allowed for a mobile fluoroscopic unit? - correct
answers:12 inches
Pregnant technologists should not receive more than ___ rem for the duration of the pregnancy.
a. 3
b. 0.5
c. 0.15
d. 2.5 - correct answers:b. 0.5 rem
How much annual exposure can a 49 year old occupational worker receive?
a. 490 mSv
b. 290 mSv
c. 50 mSv
d. 75 mSv - correct answers:c. 50 mSv
What is the primary purpose for the use of beam filtration?
a. to reduce skin entrance exposure
and Answers
What is the correct term used to describe an intravenous injection of a concentrated volume of contrast
media?
a. bolus
b. infusion
c. extravasation
d. luminal - correct answers:a. bolus
Which of the following methods utilizes a detector that captures x-ray energy and converts it into an
electronic signal?
a. indirect capture
b. CCD
c. cassette based radiography
d. direct capture - correct answers:d. direct capture
The energy of a characteristic 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 - correct answers:b. 57.5 keV
The energy of characteristic photons is determined by the difference in binding energies between the
two electron shells involved in the process, which in this question are K and L shells. 69.5 (K shell) minus
12 (L shell) equals 57.5.
Identify the position that will place the positive 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 - correct answers:d. prone
which position/projection will best demonstrate the broad aspect of the frontal air sinus? - correct
answers:PA
Which position will best demonstrate the right axillary portion of the ribs? - correct answers:RPO
Which position will emphasize the mucosal lining of the medial wall of the descending colon during a
lower GI exam? - correct answers:left lateral decubitus
Which projection of the wrist will best demonstrate the interspaces of the carpal bone? - correct
answers:AP
An image is acquired with computed radiography using which of the following methods?
a. a cassette that is electronically charged
b. conventional film/screen processing
c. the use of a storage phosphor
d. nonne of the above - correct answers: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 - correct answers: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 - correct answers:b. autotransformer
Which of the following meds is administered to a patient during an allergic reaction?
a. Adenocard
b. Intropin
c. Lasix
d. Decadron - correct answers: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 misinterpretation
c. will exhibit proper contrast and density
d. image sharpness will not be affected - correct answers:b. there may be image misinterpretation
Which of the following combinations 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 - correct answers:b. x-ray absorber & CCD
Exposure latitude is also known as which of the following?
a. dynamic range
b. spatial resolution
c. subject contrast
d. characteristic response - correct answers: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 - correct answers:b. stators
Universal precautions should be practiced on..
a. all isolation patients
b. CCU patients
c. pediatric patients
d. All patients - correct answers:d. All patients
What is the minimum source to skin distance allowed for a mobile fluoroscopic unit? - correct
answers:12 inches
Pregnant technologists should not receive more than ___ rem for the duration of the pregnancy.
a. 3
b. 0.5
c. 0.15
d. 2.5 - correct answers:b. 0.5 rem
How much annual exposure can a 49 year old occupational worker receive?
a. 490 mSv
b. 290 mSv
c. 50 mSv
d. 75 mSv - correct answers:c. 50 mSv
What is the primary purpose for the use of beam filtration?
a. to reduce skin entrance exposure
