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ARRT Registry Exam Review With 100% Correct And Verified Answers
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ARRT Registry Exam Review With 100%Correct And Verified 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 Answer-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 Answer-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 Answer-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
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,b. supine
c. recumbent RPO
d. prone - Correct Answer-d. prone
which position/projection will best demonstrate the broad aspect of
the frontal air sinus? - Correct Answer-PA
Which position will best demonstrate the right axillary portion of
the ribs? - Correct Answer-RPO
Which position will emphasize the mucosal lining of the medial wall
of the descending colon during a lower GI exam? - Correct Answer-
left lateral decubitus
Which projection of the wrist will best demonstrate the interspaces
of the carpal bone? - Correct Answer-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 Answer-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 Answer-b. 52.5 volts
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,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 Answer-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 Answer-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 Answer-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 Answer-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 Answer-a. dynamic range
All of the following components are within the glass/metal enclosure of the
x-ray tube except...
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, a. anode
b. stators
c. rotors
d. filament wires - Correct Answer-b. stators
Universal precautions should be practiced on..
a. all isolation patients
b. CCU patients
c. pediatric patients
d. All patients - Correct Answer-d. All patients
What is the minimum source to skin distance allowed for a mobile
fluoroscopic unit? - Correct Answer-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 Answer-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 Answer-c. 50 mSv
What is the primary purpose for the use of beam
filtration?
a. to reduce skin entrance exposure
b. to modify subject contrast
c. to limit the production of secondary radiation
d. to offset variations in part thickness - Correct
Answer-a. to reduce skin entrance exposure
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