CT Registry Practice Test Questions With Complete Solutions(Guaranteed Success)
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Course
CT REGISTRY
Institution
CT REGISTRY
CT Registry Practice Test Questions With Complete Solutions(Guaranteed Success)
Which onw of the following statements regarding the petrous pyramids is FALSE?
A. it contains the middle and inner ear structures
B. it extends medially beyond the sphenoid bones
C. its end forms the antrum of the...
CT Registry Practice Test Questions
With Complete Solutions(Guaranteed
Success)
Which onw of the following statements regarding the petrous pyramids is FALSE?
A. it contains the middle and inner ear structures
B. it extends medially beyond the sphenoid bones
C. its end forms the antrum of the eustachian tubule
D. ita upper surface forms part of the floor of the middle cranial fossa - correct answer...
✔✔C. its end forms the antrum of the eustachian tubule
CTA may require LOCM injection rates as high as ________ mL/sec.
A. 2
B. 3
C. 5
D. 7.5 - correct answer...✔✔C. 5
The gantry angle for a sinus cavity should be:
A. parallel to the roof of the hard palate
B. sagittal to the roof of the hard palate
C. parallel to the floor of the orbit
D. parallel to the roof of the orbit - correct answer...✔✔A. parallel to thw roof of the
hard palate
Slip ring technology made spural CT a possibility by:
A. improved insulting and cooling systems, allowing CT scanners to run at a higher
speed and tempurature
B. decreasing the amount of radiation per slice
C. allowing the gantry to stop rotating and reverse course while maintaining accurate
beam direction
D. allowing the tube and detectors to rotate continuously - correct answer...✔✔D.
allowing the tube and detectors to rotate continuously
Which of thw following is NOT a factot affecting choice of a particular contrast agent?
A. an institutional contract with the manufacturer
B. cost
C. the use of drip infusion vs. power injector
D. radiologist preference - correct answer...✔✔B. cost
The appropriate length of scan delay in seconds following contrast injectiom for orbital
scan is:
A. 10 sec
B. 30 sec
What are the most appropriate filming parameters/formats for the subdural area of the
brain?
A. 200/150
B. 250/50
C. 83/35
D. 2000/150 - correct answer...✔✔B. 250/50
The major change in CT technology seen in 4th generation scanners was:
A. the use of up to 2000 detectora in a fixed ring
B. the introduction of slip ring technology
C. the use of nutating rings
D. translation-rotation - correct answer...✔✔A. the use of up to 2000 detectors in a
fixed ring
CT plays a limited role in evaluation of the distal esophagus because:
A. the tissue at the gastroesophageal junction is covered by a thick mucous lining that
absorbs barium
B. the surrounding tissues are heavily vascularized, making it difficult to distinguish
between the esophagus and the tissues
C. this area of the esopagus is difficult to distend with oral contrast agents
D. oral contrast agents cause a high degree of gastroesophageal reflyx, making the
area difficult to clear of residual stomach contents - correct answer...✔✔C. this area of
the esopagus is difficult to distend with oral contrast agents
The onset of most serious adverse reactions to contrast media occurs _________ post
administration.
A. within 5 minutes
B. within 15 minutes
C. within 30 minutes
D. after 1 hour - correct answer...✔✔A. within 5 minutes
The field of view for a craniofacial scan should include the:
A. face only
B. entire skull and face
C. orbital and nasal bones only
D. nasal and mandibular bones only - correct answer...✔✔B. entire skull and face
Which of the following statements is FALSE regarding the maxillary sinuses?
A. they are the largest sinus cavities
B. they lie above the roots of the upper teeth
C. they drain through the infundibulum
D. they lie lateral to but not within the maxillary bones - correct answer...✔✔D. they lie
lateral to but not within the maxillary bones
AGRADESOLUTIONS
, Methods for reducing streak artifacts in patients undergoing routine CT include all of the
following except:
A. raising both arms above the head
B. crossing both arms across the chest
C. raising one arm above the head
D. increasing the exposure of the scan - correct answer...✔✔B. crossing both arms
across the chest
Factors to consider in choosing non-ionic, lower osmolality agent over an ionic, higher-
osmolality agent include all of the following except a history of:
A. asthma
B. pregnancy
C. adverse reactions to contrast media
D. cardiac dysfunction - correct answer...✔✔B. pregnancy
Which of the following structures is best used as a landmark in CT angiography of the
brain?
A. circle of willis
B. vertebral arteries
C. internal carotid arteries
D. external carotid arteries - correct answer...✔✔A. circle of willis
In CT scanninh of the wrist, the technologist should employ all of the following
techniques except:
A. use of the smallest possible DFOV
B. construction of images with an overlap
C. use of a wide collimation
D. acquisition of both coronal and sagittal images - correct answer...✔✔C. use of a
wide collimation
In addition to having the patient raise the arms above the head, technologists can
minimize scan artifacts in musculoskeletal CT imaging by:
A. reducing the normal LOCM dose by 1/3
B. using both bone and soft tissue reconstruction algorithms
C. optimizing the DFOV to include only the region of interest
D. placing the patient in the decubitus position - correct answer...✔✔C. optimizing the
DFOV to include nly the region of interest
In abdominal and pelvic CT imaging, IV contrast provides all of the following benefits
except:
A. visualizing the layers of the peritoneal membrane
B. increasing the attenuation of pelvic blood vessels
C. assessing the vascularity of tumors
D. increasing the attenuation of solid organs - correct answer...✔✔A. visualizing the
layers of the peritoneal membrane
AGRADESOLUTIONS
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