CLINICAL MEDICINE

MEDICINE

RADIOLOGY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
which of the following is the device the restricts the size and shape of the x-ray beam?
A
film badge
B
barrier
C
filter
D
collimator
Explanation: 

Detailed explanation-1: -a diaphragm, usually made of lead, used to restrict the size and shape of the xray beam.

Detailed explanation-2: -The collimator is used to restrict the size and shape of the x-ray beam in order to reduce patient exposure. A collimator may have either a round or rectangular opening.

Detailed explanation-3: -A diagnostic x-ray beam-limiting device is a device such as a collimator, a cone, or an aperture intended to restrict the dimensions of a diagnostic x-ray field by limiting the size of the primary x-ray beam.

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