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