An AP Axial Cervical Projection with Poor Positioning Demonstrates Obscured

question 21

Multiple Choice

An AP axial cervical projection with poor positioning demonstrates obscured intervertebral disk spaces and each vertebra's spinous process within its vertebral body. How was the positioning setup mispositioned for such a projection to be obtained?

• A) The patient was rotated toward the right side.
• B) The central ray was angled too caudally.
• C) The patient's head was tilted.
• D) The central ray was angled too cephalically.

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Definitions:

Radial Cam

A cam in which the follower moves radially relative to the cam center, translating rotational motion into linear motion.

Cylindrical Cam

A rotating cylinder used in machinery to convert rotational movement into linear movement of a follower.

Drum Cam

A rotating component designed to convert rotary motion into linear motion, typically featuring a cylindrical shape with a specific cam profile.

Cylindrical Cam

A rotating cylinder designed to convert rotary motion into linear motion of a follower by means of a contoured surface.