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Glossopharyngeal nerve - Wikipedia
The Hypoglossal Nerve (CN XII) - Course - Motor ...
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How do you test the Glossopharyngeal nerve function ...
Glossopharyngeal neuralgia is characterized by a sharp, jabbing pain deep in the throat, or in the tongue, ear, and tonsils, lasting a few seconds to a few minutes. Glossopharyngeal neuralgia is generally caused by a small blood vessel that presses on the nerves as they exit the brainstem.
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Glossopharyngeal Nerve: Function, Damage & …
May 09, 2017 · The glossopharyngeal nerve can be tested by checking a person's gag reflex and also doing a taste test on the posterior third of the tongue to see if he or she can sense bitter and sour flavors.
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Cranial Nerves IX and X: The Glossopharyngeal …
Definition. Glossopharyngeal nerve lesions produce difficulty swallowing; impairment of taste over the posterior one-third of the tongue and palate; impaired sensation over the posterior one-third of the tongue, palate, and pharynx; an absent gag reflex; and dysfunction of the parotid gland. Vagus nerve lesions produce palatal and pharyngeal paralysis; laryngeal paralysis; and abnormalities of …
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The Glossopharyngeal Nerve (CN IX) | Cranial …
Apr 11, 2019 · Clinical relevance: examination of the glossopharyngeal nerve. When examining CN IX, it is important to test the glossopharyngeal nerve. One of the more accessible terminal branches of this nerve is the tonsillar branch, which supplies sensory innervation to the oropharynx.
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Glossopharyngeal nerve - Wikipedia
Damage to the glossopharyngeal nerve can result in loss of taste sensation to the posterior one third of the tongue, and impaired swallowing. The clinical tests used to determine if the glossopharyngeal nerve has been damaged include testing the gag reflex of the mouth, asking the patient to swallow or cough, and evaluating for speech impediments. The clinician may also test the posterior one-third of the tongue with bitter and sour substances to evalu…
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Cranial Nerves for Swallowing Disorders
• You are able to assess the vagus nerve at the bedside by inspecting the palate. If it is lower, and less arched, and you have the patient say “aaaaah”, and see a …
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How do you test hypoglossal cranial nerve?
Cranial Nerve Examination. The hypoglossal nerve is examined by asking the patient to protrude their tongue. Other movements such as asking the patient to push their tongue against their cheek and feeling for the pressure on the opposite side of the cheek may also be used if damage is suspected.
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What is the function of the glossopharyngeal nerve?
The glossopharyngeal nerve has many functions, including receiving various forms of sensory fibers from parts of the tongue, carotid body, the tonsils, the pharynx, and the middle ear.
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How rare is glossopharyngeal neuralgia?
How common is glossopharyngeal neuralgia (GPN)? The disorder is rare , with less than 1 case reported per year among 100,000 people in the United States. It tends to occur more often in adults over age 40, but it may be present at any age. It appears to affect men more than women.
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Which cranial nerve is responsible for the sense of sight?
The four cranial nerves involved in vision and movement of the eyes are the optic (II) nerve, oculomotor (III) nerve, trochlear (IV) nerve and the abducen (VI) nerve. The optic nerve is the sensory nerve for vision. It transmits information from the eyes to the brain.
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