The range of CT numbers or Hounsfield Units varies from
A) 100 to 300.
B) -100 to +300.
C) -1000 to +3000.
D) 1000 to +3000.
Correct Answer:
Verified
Q20: A _ artifact is caused by motion.
A)beam-hardening
B)ring
C)star
D)streak
Q21: If the table is moving at 10
Q22: The CTDI dose measurement
A)is slice-based.
B)takes into account
Q23: If the table is moving at 5
Q24: CT image data is acquired in the
A)coronal
Q26: If the table is moving at 12
Q27: As noise increases in a CT image,
A)low
Q28: The process of modifying pixel values by
Q29: In order for a CT x-ray photon
Q30: A _ artifact is caused by detector
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