Calculate the penumbra for an image taken with a 1.0 mm focal spot, at a 40 in.distance, and OID of 2 in.
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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
Q21: When the sampling frequency is less than
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
Q27: Calculate the penumbra for an image taken
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