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ARRT REGISTRY EXAM
ACTUAL EXAM WITH CORRECT SOLUTIONS.
What is the correct term used to describe an intravenous injection of a concentrated volume of contrast media?
- bolus
- infusion
- extravasation
- 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?
- indirect capture
- CCD
- cassette based radiography
- 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?
- 69.5 keV
- 57.5 keV
- 91.5 keV 1 / 4
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- 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?
- recumbent LPO
- supine
- recumbent RPO
- 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
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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 cassette that is electronically charged
- conventional film/screen processing
- the use of a storage phosphor
- 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.
- 2710 volts
- 52.5 volts
- 840 volts
- 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?
- step-up transformer
- autotransformer
- step-down transformer
- high voltage transformer - correct answer- b. autotransformer
Which of the following meds is administered to a patient during an allergic reaction?
- Adenocard
- Intropin
- Lasix
- Decadron - correct answer- d. Decadron
If the improper body part is selected from the exam menu, which of the following may result?
- there will be no image
- there may be image misinterpretation
- will exhibit proper contrast and density
- image sharpness will not be affected - correct answer- b.
there may be image misinterpretation
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