Which Cranial Nerve Does Not Innervate the Extrinsic Eye Muscles

question 88

Multiple Choice

Which cranial nerve does not innervate the extrinsic eye muscles?

• A) oculomotor
• B) facial
• C) abducens
• D) trochlear

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Definitions:

Pineal Gland

A small endocrine gland in the brain that produces the hormone melatonin, which regulates sleep and wakefulness.

Melatonin

A hormone produced by the pineal gland that regulates sleep-wake cycles and is influenced by the presence of light.

Biological Clock

An internal mechanism in organisms that controls the cycle of biological processes and behaviors in a roughly 24-hour cycle.

Phototherapy

A treatment method that uses light to treat certain conditions, such as jaundice in newborns or skin disorders like psoriasis.