A 30° tilt of the C-arm x-ray tube from the vertical position will increase radiation exposure to the face and neck region of the operator standing next to the C-arm by approximately a factor of:

Question

Quizplus · Accepted Answer

When the C-arm x-ray tube is tilted at a 30° angle from the vertical position, the cosine of the angle (cos 30° = 0.866) increases the radiation exposure to the operator's face and neck region by a factor of approximately 4. Therefore, the correct choice is option C.

A 30° Tilt of the C-Arm X-Ray Tube from the Vertical