When the sampling frequency is less than the Nyquist value,
A) aliasing is eliminated.
B) the Moire effect can occur.
C) patient dose must increase.
D) the Nyquist value must be altered.
Correct Answer:
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Q16: A pixel bit depth of 216 will
Q17: All of the following affect visibility of
Q18: Poor resolution is caused by unacceptable levels
Q19: As focal spot size decreases,
A)umbra is improved.
B)penumbra
Q20: Factors affecting recorded detail include
A)kVp.
B)radiographic grids.
C)mAs.
D)focal spot
Q22: Calculate the penumbra for an image taken
Q23: You have completed a chest radiograph on
Q24: Match the following choices with respect to
Q25: Imaging noise is different from quantum noise
Q26: Match the following choices with respect to
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