The Peripheral Chemoreceptors That Respond to Oxygen Levels of the Blood

question 133

Multiple Choice

The peripheral chemoreceptors that respond to oxygen levels of the blood and regulate heart activity are located in

• A) the left ventricle.
• B) the infundibulum of the hypothalamus.
• C) structures near the carotids and aortic arch.
• D) the medulla oblongata.
• E) the right ventricle.

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Definitions:

Lateral Rectus

A muscle in the eye responsible for moving the eyeball outward, away from the midline of the body.

Superior Oblique

A cranial muscle that moves the eyeball downward and outward, involved in rotary movements of the eye.

Superior Rectus

A muscle in the eye that primarily enables upward movement of the eyeball.

Inferior Rectus

A muscle in the eye that controls downward movement of the eyeball.