The Respiration Phase for the "Open Mouth" AP Projection of the Atlas

question 69

Multiple Choice

The respiration phase for the "open mouth" AP projection of the atlas and axis is:

• A) inspiration.
• B) expiration.
• C) suspended respiration.
• D) softly phonate "ah" during the exposure.

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Definitions:

Sympathetic Division

Subdivision of the autonomic division of the nervous system characterized by having the cell bodies of its preganglionic neurons located in the thoracic and upper lumbar regions of the spinal cord (thoracolumbar division); usually involved in preparing the body for physical activity; also called thoracolumbar division.

Parasympathetic Division

Subdivision of the autonomic nervous system; characterized by having the cell bodies of its preganglionic neurons located in the brainstem and the sacral region of the spinal cord (craniosacral division); usually involved in activating vegetative functions, such as digestion, defecation, and urination.

ANS

Short for autonomic nervous system, it controls involuntary bodily functions such as heart rate, digestion, and respiratory rate.

Parasympathetic Division

A division of the autonomic nervous system responsible for stimulating "rest-and-digest" or "feed and breed" activities when the body is at rest.