WGU Cranial Nerve Physical Assessment

Cranial Nerve I - Olfactory Nerve Have patient close both eyes, close one nostril and gently inhale to smell scent. Use a substance without a harsh smell. Suspect an abnormality in a neurological patient with a poor appetite Cranial Nerve II - Optic Nerve Controls central and peripheral vision Provide adequate lighting and ask client to read from a reading material held at a distance of 36 cm. (14 in.). The client should be able to read with each eye and both eyes. Client was able to read with each eye and both eyes. Cranial Nerve III - Oculomotor Nerve Pupillary constriction Reaction to light: Using a penlight and approaching from the side, shine a light on the pupil. Observe the response of the illuminated pupil. Shine the light on the pupil again, and observe the response of the other pupil. Illuminated and non-illuminated pupil should constrict. -PERRLA (pupils equally round and reactive to light and accommodation) Reaction to accommodation: Ask client to look at a near object and then at a distant object. Alternate the gaze from the near to the far object. Next, move an object towards the client's nose. -Pupils constrict when looking at a near object, dilate when looking at a distant object, converge when near object is moved towards the nose. Use mm chart to describe pupil size. Check where eyelid falls on the pupil (drooping=ptosis) Cranial Nerve IV - Trochlear Nerve