Question

Which bony landmark is commonly used for central ray location on an AP chest projection?

A. Jugular notch
B. Xiphoid process
C. T7 spinous process
D. Vertebrae prominens

Answer 1

The bony landmark commonly used for central ray location on an AP chest projection is the Vertebrae prominens (C7).

Step-by-step explanation:

The bony landmark commonly used for central ray location on an AP chest projection is the Vertebrae prominens. Also known as C7, the vertebrae prominens is the most prominent vertebra at the base of the neck. Its spinous process can be easily palpated and serves as a reliable landmark for positioning the central ray for a chest x-ray.