BRAIN
CRANIAL NERVES
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which 2 cranial nerves are being tested when a tongue depressor is touched to the back of the throat?
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Facial nerve
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Vestibulocochlear nerve
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Glossopharyngeal nerve
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Vagus nerve
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Explanation:
Detailed explanation-1: -Use a cotton swab or tongue blade to touch the patient’s posterior pharynx and observe for a gag reflex followed by a swallow. The glossopharyngeal and vagus nerves work together for integration of gag and swallowing.
Detailed explanation-2: -Glossopharyngeal Nerve (IX) The glossopharyngeal nerve provides sensory supply to the palate. It can be tested with the gag reflex by touching the pharynx with a tongue depressor or by touching the arches of the pharynx.
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