Which of the following is correct concerning shielding in CT?
A) Shielding may have limited value because of very tight collimation and minimal scatter
B) Conventional lead shielding of radiosensitive tissues such as gonads or thyroid can be done when they are located outside of the SFOV
C) The shield must completely surround the patient because the tube travels in a circular motion
D) All of these
Correct Answer:
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1)
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