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14 Cards in this Set
- Front
- Back
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Cranial nerve I -Name -What it does -How to test |
Olfactory Sense of smell Wave something below nose, see if baby startles, moves, etc |
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Cranial nerve II -Name -What it does -How to test |
Optic Visual acuity, fixation on an object & follow, optic blink reflex Shine light in eyes. No blink? Blind. They will also not fix and follow and object if blind |
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Cranial nerve III -Name -What it does -How to test |
Oculomotor Enables eye movements; specifically CONSTRICTS PUPILS. Related to MUSCLE MOVEMENT, NOT vision Shade eyes and then remove hand. Can baby follow you? |
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Cranial nerve IV -Name -What it does -How to test |
Trochlear Enables eye movements Can they follow you? Doll's eyes maneuver (do the eyes MOVE) |
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Cranial nerve V -Name -What it does -How to test |
Trigeminal 3 branches: Opthalmic (corneal blink reflex, glabella tap), Maxillary (rooting reflex), Mandibular (biting portion of suck, supplies jaw muscles) Sensory - corneal blink reflex, rooting reflex, glabella tap Motor - biting, jaw muscles |
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Cranial nerve VI -Name -What it does -How to test |
Abducens Enables eye movement Can they follow you? Doll's eyes maneuver (do the eyes MOVE) |
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Cranial nerve VI -Name -What it does -How to test |
Facial Controls facial expression, facial symmetry, brow wrinkling, eye blinking (blink in response to light = II & VII intact, blink in response to glabella = V & VII intact), closing mouth around nipple Test with blinking, watch face while crying, assess ability to eat |
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Asymmetric crying facies - absence of what muscle |
Absence of depressor anguli oris muscle (different from facial nerve palsy where part of facial nerve is damaged) |
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Cranial nerve VIII -Name -What it does -How to test |
Vestibulocochlear Auditory/acoustic Response to loud noise (startle/blink), responds to voice (head turning), doll's eyes (vestibular branch -- deals with balance) |
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Cranial nerve IX -Name -What it does -How to test |
Glossopharyngeal Tongue movement, position of uvula, gag reflex |
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Cranial nerve X -Name -What it does -How to test |
Vagus Supplies palate, pharynx, larynx (CRY), swallowing, gag Listen to cry for hoarseness, stridor, aphonia |
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Cranial nerve XI -Name -What it does -How to test |
Accessory Controls sternocleidomastoid and trapezius muscles, head turning from side to side, shoulder height Look at neck and ROM |
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Cranial nerve XII -Name -What it does -How to test |
Hypoglossal Muscles of tongue, gag reflex Check movement of tongue, suck, swallow |
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If an infant can feed well, which CN are intact? |
V (Trigeminal), VII (Facial), IX (Glossopharyngeal), X (Vagus), XII (Hypoglossal) |
