BRAIN
CRANIAL NERVES
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Vagus
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Accessory
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Vestibulocochlear
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Abducens
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Detailed explanation-1: -The vagus nerve (cranial nerve [CN] X) is the longest cranial nerve in the body, containing both motor and sensory functions in both the afferent and efferent regards.
Detailed explanation-2: -Visceral sensory (general visceral afferent). Convey sensory information from the viscera, including the gastrointestinal tract, trachea, bronchi, lungs, and heart, as well as the carotid body and sinus. Visceral sensory neurons course within CN IX and CN X.
Detailed explanation-3: -The vagus nerve has a very extensive distribution. Sensory: Innervates the skin of the external acoustic meatus and the internal surfaces of the laryngopharynx and larynx. Provides visceral sensation to the heart and abdominal viscera. Special Sensory: Provides taste sensation to the epiglottis and root of the tongue.
Detailed explanation-4: -Answer and Explanation: The cranial nerve that innervates most of the visceral organs is the vagus nerve (cranial nerve X).