Which nerve carries fibers that reach the smooth muscles of the eyeball?
Understand the Problem
The question is asking which specific nerve is responsible for carrying fibers to the smooth muscles of the eyeball. The options given are different cranial nerves, and the task is to identify the correct one among them.
Answer
The oculomotor nerve (cranial nerve III) carries fibers to the smooth muscles of the eyeball.
The nerve that carries fibers to the smooth muscles of the eyeball is the oculomotor nerve (cranial nerve III).
Answer for screen readers
The nerve that carries fibers to the smooth muscles of the eyeball is the oculomotor nerve (cranial nerve III).
More Information
The oculomotor nerve is essential for controlling eye movement and contains parasympathetic fibers that innervate the internal eye muscles, contributing to functions like constriction of the pupil and accommodation.
Tips
A common mistake is confusing the oculomotor nerve with the optic nerve, which deals primarily with vision-related information.
Sources
- Oculomotor Nerve - an overview | ScienceDirect Topics - sciencedirect.com
- Oculomotor nerve (CN III): Anatomy, function and pathway - Kenhub - kenhub.com
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