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What is the correct term used to describe an intravenous injection of a concentrated
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volume of contrast media?
a. bolus ne
b. infusion
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c. extravasation
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d. luminal - Answer a. bolus
Sp
ne
Which of the following methods utilizes a detector that captures x-ray energy and
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converts it into an electronic signal?
a. indirect capture
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Sp
b. CCD
ne
c. cassette based radiography
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d. direct capture - Answer d. direct capture
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Sp
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?
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a. 69.5 keV
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b. 57.5 keV
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c. 91.5 keV
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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 between the two electron shells involved in the process, which in this
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question are K 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
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stomach and pyloris during a double contrast upper GI exam?
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Sp
a. recumbent LPO
b. supine
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c. recumbent RPO
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d. prone - Answer d. prone
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Sp
which position/projection will best demonstrate the broad aspect of the frontal air
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sinus? - Answer PA
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Which position will best demonstrate the right axillary portion of the ribs? - Answer
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RPO
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Which position will emphasize the mucosal lining of the medial wall of the
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descending colon during a lower GI exam? - Answer left lateral decubitus
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Sp
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Which projection of the wrist will best demonstrate the interspaces of the carpal
bone? - Answer AP
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n
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An image is acquired with computed radiography using which of the following
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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
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yield an output voltage of _____ when being supplied with 210 volts.
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a. 2710 volts
Sp
b. 52.5 volts
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c. 840 volts
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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
c. step-down transformer
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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
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b. Intropin
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c. Lasix
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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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result?
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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
misinterpretation
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Which of the following combinations are needed in digital radiography system to
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produce an image?
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Sp
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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s
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
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d. characteristic response - Answer a. dynamic range
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n
All of the following components are within the glass/metal enclosure of the x-ray tube
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except...
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a. anode
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b. stators
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c. rotors
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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
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c. pediatric patients
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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?
- Answer 12 inches
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Sp
ne
Pregnant technologists should not receive more than ___ rem for the duration of the
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pregnancy.
a. 3
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Sp
b. 0.5
c. 0.15
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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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Sp
a. 490 mSv
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b. 290 mSv
c. 50 mSv
d. 75 mSv - Answer c. 50 mSv
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Sp
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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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Sp
c. to limit the production of secondary radiation
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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Sp
a. 2.5
e
b. 5
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c. 10
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d. 12.5 - Answer 5%
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Sp
s
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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Sp
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Extremely small body build comprising 10% of the population? - Answer Asthenic
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n
Above average or massive body build comprising 5% of the population? - Answer
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Hypersthenic
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Sp
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What makes up the axial skeleton? - Answer toward the center or middle of the
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body- includes skull, hyoid, vertebral column, and thorax.
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Sp
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What makes up the appendicular skeleton? - Answer upper & lower extremities, the
shoulder girdle & pelvic girdle ne
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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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Sp
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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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Sp
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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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In a PA Axial skull, where should the petrous ridges be seen? - Answer projected in
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the lower third of the orbits
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hn
The CR for a PA axial skull? - Answer 15 degrees caudad, exiting the nasion
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Sp
s
The CR for an AP axial skull? - Answer 30 degrees caudad thru the foramen
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magnum to the OML
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Which line in perpendicular to the IR for a lateral skull? - Answer IPL
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The cassette-based digital image receptor uses which of the following as the image
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n
receptor?
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a. TFT
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Sp
b. PSP
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c. CCD
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d. none of the above - Answer b. PSP
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