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How to do the Cranial Nerve Ex... video. 1st Cranial nerve. Smell, a function of the 1st (olfactory) cranial nerve, is usually evaluated only after head trauma or when lesions of the anterior fossa (eg, meningioma) are suspected or patients report abnormal smell or taste.
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.
Glossopharyngeal, vagus and hypoglossal...the words strike fear into many! But fear not, in this video Sam shows you how to test these nerves easily!
13 sie 2020 · CN IX and CN X nerves can be assessed together: Ask the patient to cough (assessing CN X) Ask the patient to open the mouth wide and say ‘ah’, using a tongue depressor to visual the palate and posterior pharyngeal wall (assessing CN IX and X)
5 wrz 2010 · Glossopharyngeal (CN IX) and vagus (CN X) nerves. The glossopharyngeal nerve transmits motor information to the stylopharyngeus muscle which elevates the pharynx during swallowing and speech. The glossopharyngeal nerve also transmits sensory information that conveys taste from the posterior third of the tongue.
11 kwi 2019 · 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. When a foreign object, such as a long cotton tip, touches the mucosal surface of the oropharynx the gag reflex is initiated.
6 maj 2023 · Introduction. Cranial nerve (CN) testing is the physical functional assessment of the nerves arising from the brain and innervating the head, neck, and trunk. This testing is widely applicable to emergency and clinical situations and can be performed relatively quickly with equipment readily available in the hospital or ambulatory environment. [1]
