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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.
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Testing CN 5 - Trigeminal •Sensory: •Ask pt to close eyes •Touch ea of 3 areas (ophthalmic, maxillary, & mandibular) lightly, noting whether patient detects stimulus. •Motor: •Palpate temporalis & mandibular areas as patient clenches & grinds teeth •Corneal Reflex: •Tease out bit of cotton from q-tip - Sensory CN 5, Motor CN 7
35 Perform vestibular testing (e.g. turning test, vestibular-ocular reflex) Glossopharyngeal (CN IX) and vagus (CN X) nerves 36 Inspect the soft palate and uvula and ask the patient to say “ahh”
5 sie 2024 · Glossopharyngeal nerve (CN IX) and vagus nerve (CN X) Assess for dysarthria or dysphonia as part of the glossopharyngeal and vagus nerve testing. Ask the patient to say "aah" and inspect the soft palate and uvula. Perform a swallow assessment or assessment of the gag reflex (Thomas et al., 2022) 8.
Olfactory Nerve (CN I) Anatomy snapshot. As the name implies, the olfactory nerve serves the sense of olfaction or smell. Its fibers arise in the mucous membranes of the nose and pass through the cribriform plate of the ethomoid bone to synapse in the olfactory bulb. From here, the olfactory tract follows the ventral surface of the frontal
Cranial Nerve IX (Glossopharyngeal Nerve): Motor to muscles of the phaynx and larynx, Sensory to taste. Motor portion of Gag reflex: Touch the back of Patient’s throat with tongue depressor. Not gagging is positive for CN IX lesion. Cranial Nerve X (Vagus Nerve): Sensory to taste, Motor to muscles of soft palate and vocal cords.
CN VIII Whisper into ear, distracting sound in opposing ear Rinne's and Weber's test (if hearing loss suspected) CN IX and X Ask the patient to cough Assess the palate and posterior pharyngeal wall CN XI Sternocleidomastoid assessment Trapezius assessment CN XII Inspect the tongue Protrude the tongue and move from side to side
