To image the left zygapophyseal joint with an AP oblique projection, which position is necessary?

RPO
LPO
LAO
RAO

LPO

Rationale: Zygapophyseal joints in lumbar spine will image the side down or side closest to the IR with AP oblique projections.

Health Professions

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A simple face mask running at 10 to 12 liters per minute will supply which of the following oxygen concentrations?

A) 60 to 90 percent B) 80 to 100 percent C) 40 to 50 percent D) 50 to 65 percent

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_______ perrla

Fill in the blank with correct word.

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