HEAD NECK
PHARYNX LARYNX 47
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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What nerve supplies the constrictor muscles?
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CNIX
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CNX
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CNXI
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None of the above
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Explanation:
Detailed explanation-1: -Stylopharyngeus muscle: A long muscle that runs down part of your throat. CN IX connects to this muscle to lift the voice box (larynx) and nearby throat (pharynx). This makes it possible to swallow. Tonsils: Sensory nerve fibers help you sense pain from a sore throat or swelling due to an infection.
Detailed explanation-2: -As stated above, the glossopharyngeal nerve provides motor innervation to the stylopharyngeus muscle, which is responsible for elevating the pharynx and larynx.
Detailed explanation-3: -The pharyngeal muscles receive innervation from the vagus and glossopharyngeal nerve to work in sync to propel food from the oral cavity into the esophagus.
There is 1 question to complete.