At Which Plane Is the Central Ray Positioned for the PA

question 81

Multiple Choice

At which plane is the central ray positioned for the PA oblique projections (LAO or RAO) of the large intestine?

• A) Midsagittal plane
• B) A longitudinal plane directly over the vertebral column
• C) A longitudinal plane 1 to 2 inches lateral to the midline of the body on the elevated side
• D) A longitudinal plane 4 inches lateral to the midline of the body on the elevated side

---

Definitions:

Rationale

The underlying reasons or logical basis for a belief, action, or method.

Premature Dominance

The early establishment of control or influence in a situation before all factors have been appropriately considered.

Pre-Editing Phase

The initial stage in the editing process where content is reviewed for clarity, coherence, and alignment with objectives prior to detailed editing.