Collimation systems equipped with positive beam limitation must be accurate to within ____ of the SID.
A)±5%
B)±4%
C)±3%
D)±2%

Question

Quizplus · Accepted Answer

Collimation systems with positive beam limitation must be accurate to within ±3% of the SID (source-to-image receptor distance) according to regulations set by the U.S. Food and Drug Administration (FDA) and the International Electrotechnical Commission (IEC). This ensures that unnecessary radiation exposure to the patient and imaging staff is avoided. Option A, B, and D are incorrect as they do not reflect the established accuracy requirements.

Collimation Systems Equipped with Positive Beam Limitation Must Be Accurate