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Color perception is tested using standard pseudoisochromatic Ishihara or Hardy-Rand-Ritter plates that have numbers or figures embedded in a field of specifically colored dots. Visual fields are tested by directed confrontation in all 4 visual quadrants.
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)
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IX, X – Glossopharyngeal, Vagus. Assess speech quality and volume for hoarseness and quietness (dysarthria, dysphonia) Ask the patient to open their mouth and say ‘Ahhhh’ (look palatal asymmetry and uvular deviation away from side of lesion) Offer to test left and right gag reflex separately
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.
To test gag reflex as related to CN IX and CN X, use a tongue depressor to tap near the lateral side of the pharynx near the tonsillar pillars or at the lateral posterior side of the soft palate. While doing this, use a penlight to illuminate the inside of the mouth and pharynx.
6 maj 2023 · 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]
