For a lateral lumbar spine, placing a lead shield on the table behind the area of exposure
A) reduces the scatter exiting the patient
B) reduces the scatter reaching the IR
C) increases the scatter reaching the IR
D) reduces the scatter exiting the patient and reduces the scatter reaching the IR
Correct Answer:
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Q69: The Moiré effect can be caused by
A)
Q70: Focused grids are more effective than parallel
Q71: It is safe to assume that the
Q72: To compensate for some of the loss
Q73: Which of the following factors need to
Q74: The grid limits the amount of scatter
Q75: To overcome the decrease in sharpness caused
Q76: Beam-restricting devices are located just above the
Q77: Grids absorb almost all of the scatter
Q78: The grid used for the air gap
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