Which of the C-Arm Orientations in General Results in the Greatest

question 77

Multiple Choice

Which of the C-arm orientations in general results in the greatest exposure to the operator's head region if the distance from the patient is unchanged (patient is supine) ?

• A)Anteroposterior (AP) projection (x-ray tube above anatomy)
• B)PA projection (x-ray tube below anatomy)
• C)PA, 30° tilt away from operator
• D)No significant difference

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