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CT REGISTRY PRACTICE TEST 2024 UPDATE |QUESTIONS WITH CORRECT ANSWERS GRADED A+
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CT REGISTRY PRACTICE TEST 2024 UPDATE |QUESTIONS WITH CORRECT ANSWERS GRADED A+
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CT REGISTRY PRACTICE TEST 2024 UPDATE |QUESTIONS WITH CORRECT ANSWERS
GRADED A+
Which one of the following statements regarding the petrous
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pyramids is FALSE?
g g g
A. it contains the middle and inner ear structures
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B. it extends medially beyond the sphenoid bones
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C. its end forms the antrum of the eustachian tubule
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D. ita upper surface forms part of the floor of the middle cranial
g g g g g g g g g g g g
fossa
g ANS: C. its end forms the antrum of the eustachian
gggggggggg ggg g g g g g g g g
tubule
g
CTA may require LOCM injection rates as high as ________
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mL/sec.
g
A. 2g
B. 3g
C. 5g
D. 7.5
g gggggggggg ANS: C. 5 ggg g
The gantry angle for a sinus cavity should be:
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A. parallel to the roof of the hard palate
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B. sagittal to the roof of the hard palate
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,C. parallel to the floor of the orbit
g g g g g g g
D. parallel to the roof of the orbit
g g g g g g g gggggggggg ANS: A. parallel to thw ggg g g g
roof of the hard palate
g g g g g
Slip ring technology made spural CT a possibility by:
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A. improved insulting and cooling systems, allowing CT scanners
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to run at a higher speed and tempurature
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B. decreasing the amount of radiation per slice
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C. allowing the gantry to stop rotating and reverse course while
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maintaining accurate beam direction
g g g g
D. allowing the tube and detectors to rotate continuously
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ANS: D. allowing the tube and detectors to rotate continuously
g ggg g g g g g g g g
Which of thw following is NOT a factot affecting choice of a
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particular contrast agent?
g g g g
A. an institutional contract with the manufacturer
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B. cost
g
C. the use of drip infusion vs. power injector
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D. radiologist preference
g g gggggggggg ANS: B. cost ggg g
The appropriate length of scan delay in seconds following contrast
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injectiom for orbital scan is:
g g g g g
A. 10 sec
g g
B. 30 sec
g g
C. 60 sec
g g
,D. 120 sec
g g gggggggggg ANS: C. 60 sec ggg g g
What are the most appropriate filming parameters/formats for the
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subdural area of the brain?
g g g g g
A. 200/150
g
B. 250/50
g
C. 83/35
g
D. 2000/150
g gggggggggg ANS: B. 250/50 ggg g
The major change in CT technology seen in 4th generation
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scanners was:
g g
A. the use of up to 2000 detectora in a fixed ring
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B. the introduction of slip ring technology
g g g g g g
C. the use of nutating rings
g g g g g
D. translation-rotation
g gggggggggg ANS: A. the use of up to 2000
ggg g g g g g g
detectors in a fixed ring
g g g g g
CT plays a limited role in evaluation of the distal esophagus
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because:
g
A. the tissue at the gastroesophageal junction is covered by a thick
g g g g g g g g g g g
mucous lining that absorbs barium
g g g g g
B. the surrounding tissues are heavily vascularized, making it
g g g g g g g g
difficult to distinguish between the esophagus and the tissues
g g g g g g g g g
C. this area of the esopagus is difficult to distend with oral contrast
g g g g g g g g g g g g
agents
g
, D. oral contrast agents cause a high degree of gastroesophageal
g g g g g g g g g
reflyx, making the area difficult to clear of residual stomach
g g g g g g g g g g
contents
g ANS: C. this area of the esopagus is difficult to
gggggggggg ggg g g g g g g g g
distend with oral contrast agents
g g g g g
The onset of most serious adverse reactions to contrast media
g g g g g g g g g
occurs _________ post administration.
g g g g
A. within 5 minutes
g g g
B. within 15 minutes
g g g
C. within 30 minutes
g g g
D. after 1 hour
g g g gggggggggg ANS: A. within 5 minutes ggg g g g
The field of view for a craniofacial scan should include the:
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A. face only
g g
B. entire skull and face
g g g g
C. orbital and nasal bones only
g g g g g
D. nasal and mandibular bones only
g g g g g gggggggggg ANS: B. entire skull and
ggg g g g
face
g
Which of the following statements is FALSE regarding the
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maxillary sinuses?
g g
A. they are the largest sinus cavities
g g g g g g
B. they lie above the roots of the upper teeth
g g g g g g g g g
C. they drain through the infundibulum
g g g g g
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