The Part of the Brainstem Primarily Responsible for Heartbeat and Breathing

question 192

Multiple Choice

The part of the brainstem primarily responsible for heartbeat and breathing is the:

• A) thalamus.
• B) reticular activating system.
• C) pons.
• D) medulla.

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Definitions:

Extension

The act of increasing the length, duration, or scope of something beyond the original limit.

Pronation

The inward roll of the foot during normal motion, or the rotational movement of the forearm that turns the palm downward.

Supination

The outward rotation of the forearm or foot, such that the palm or sole faces upwards or forwards.

Pronation

The inward roll of the foot during normal motion when walking or running, where the outer edge of the heel strikes the ground first and the foot rolls inward.