Questions and Answers
Which portion of the tongue is associated with the glossopharyngeal nerve for taste sensation?
What is the primary motor function of the stylopharyngeus muscle?
What gland receives parasympathetic signals from the glossopharyngeal nerve?
Which function is NOT associated with the glossopharyngeal nerve?
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During swallowing, what role does the stylopharyngeus muscle play?
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Study Notes
Functions of Cranial Nerve IX (Glossopharyngeal Nerve)
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Special Sensory Function
- Responsible for taste sensation in the posterior one-third of the tongue.
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Motor Functions
- Innervates the stylopharyngeus muscle.
- Functions include shortening and widening the pharynx, as well as elevating the larynx during the process of swallowing.
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Parasympathetic Functions
- Sends signals to the parotid gland, playing a role in saliva production.
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Description
This quiz focuses on the functions of the glossopharyngeal nerve, CN IX, including its sensory, motor, and parasympathetic roles. Explore how this nerve contributes to taste sensation, swallowing, and salivary secretion. Test your knowledge on the specific functions and impacts of this cranial nerve.
