FINAL NMTCB CT EXAM|QUESTIONS AND VERIFIED ANSWERS|NEW UPDATE
2026/2027| GUARANTEED SUCCESS|GRADED A+
Which of the following is considered a quality control daily test for a CT scanner?
Answer
o linearity of CT numbers
o low- and high-contrast resolution
o image slice thickness
o CT number accuracy
o spatial resolution
CORRECT|ANSWER
o CT number accuracy
Which of the following is the common term for the artifact created by the presence of metals in the patient in CT
imaging?
Answer
o ringing
o partial volume
o arcing
o biasing
o streaking
CORRECT|ANSWER
streaking
What is the average CT number for the lung in Hounsfield units?
Answer
o -1000
o -500
o -100
o -50
, o0
CORRECT|ANSWER
o -500
Where is the x-ray generator located in a CT scanner?
Answer
o under the patient imaging table
o inside the operator's console
o inside the gantry
o inside the electronics cabinet
o inside the computer workstation
CORRECT|ANSWER
o inside the gantry
Which of the following operations would help in improving the CT image contrast after display?
Answer
o use of a smoothing filter
o use of an edge enhancement filter
o use of windowing
o use of a formatter
o use of a PHA
CORRECT|ANSWER
o use of windowing
Which of the following is the device used to convert scintillation light into an electric signal in a CT scanner?
Answer
o photomultiplier tube
o analog to digital converter
o Xenon chamber
2026/2027| GUARANTEED SUCCESS|GRADED A+
Which of the following is considered a quality control daily test for a CT scanner?
Answer
o linearity of CT numbers
o low- and high-contrast resolution
o image slice thickness
o CT number accuracy
o spatial resolution
CORRECT|ANSWER
o CT number accuracy
Which of the following is the common term for the artifact created by the presence of metals in the patient in CT
imaging?
Answer
o ringing
o partial volume
o arcing
o biasing
o streaking
CORRECT|ANSWER
streaking
What is the average CT number for the lung in Hounsfield units?
Answer
o -1000
o -500
o -100
o -50
, o0
CORRECT|ANSWER
o -500
Where is the x-ray generator located in a CT scanner?
Answer
o under the patient imaging table
o inside the operator's console
o inside the gantry
o inside the electronics cabinet
o inside the computer workstation
CORRECT|ANSWER
o inside the gantry
Which of the following operations would help in improving the CT image contrast after display?
Answer
o use of a smoothing filter
o use of an edge enhancement filter
o use of windowing
o use of a formatter
o use of a PHA
CORRECT|ANSWER
o use of windowing
Which of the following is the device used to convert scintillation light into an electric signal in a CT scanner?
Answer
o photomultiplier tube
o analog to digital converter
o Xenon chamber
