Which function is associated with the glossopharyngeal nerve?

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Study for the Anatomy and Physiology CFE Exam with flashcards and multiple choice questions. Each question comes with hints and explanations to enhance your understanding. Prepare efficiently for your exam!

Multiple Choice

Which function is associated with the glossopharyngeal nerve?

Explanation:
The glossopharyngeal nerve handles both taste from the posterior third of the tongue and motor control for swallowing. Taste fibers from that region travel with IX to be perceived as taste, while a motor branch innervates the stylopharyngeus muscle, which helps elevate the pharynx during swallowing. Hearing, on the other hand, is carried by the vestibulocochlear nerve, not IX. So the function that best fits is taste and swallowing.

The glossopharyngeal nerve handles both taste from the posterior third of the tongue and motor control for swallowing. Taste fibers from that region travel with IX to be perceived as taste, while a motor branch innervates the stylopharyngeus muscle, which helps elevate the pharynx during swallowing. Hearing, on the other hand, is carried by the vestibulocochlear nerve, not IX. So the function that best fits is taste and swallowing.

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