In which view do X-ray beams travel perpendicularly from back to front?

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Multiple Choice

In which view do X-ray beams travel perpendicularly from back to front?

Explanation:
The key idea is the direction of the X-ray beam relative to the patient. A beam that travels from the back toward the front is a posterior-to-anterior projection. This is commonly called a PA view. An AP view would be the opposite direction (front to back). The oblique views (RAO/LAO) involve angled positioning and are not strictly back-to-front.

The key idea is the direction of the X-ray beam relative to the patient. A beam that travels from the back toward the front is a posterior-to-anterior projection. This is commonly called a PA view. An AP view would be the opposite direction (front to back). The oblique views (RAO/LAO) involve angled positioning and are not strictly back-to-front.

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