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final-review 12
neuro 8 CN
| Question | Answer |
|---|---|
| Cranial Nerve I – Olfactory Afferent (Sensory): | Smell: nose |
| Cranial Nerve I – Olfactory Efferent (Motor): | None |
| Cranial Nerve I – Olfactory Test: | Identify familiar odors (e.g., chocolate, coffee) |
| Cranial Nerve II – Optic Afferent (Sensory): | Sight: eye |
| Cranial Nerve II – Optic Efferent (Motor): | None |
| Cranial Nerve II – Optic Test: | Test visual fields |
| Cranial Nerve III – Oculomotor Afferent (Sensory): | None |
| Cranial Nerve III – Oculomotor Efferent (Motor): Voluntary motor: | levator of eyelid; superior, medial, and inferior recti; inferior oblique muscle of eyeball; Autonomic: smooth muscle of eyeball |
| Cranial Nerve III – Oculomotor Test: | Upward, downward, and medial gaze; reaction to light |
| Cranial Nerve IV – Trochlear Afferent (Sensory): | None |
| Cranial Nerve IV – Trochlear Efferent (Motor): | Voluntary motor: superior oblique muscle of eyeball |
| Cranial Nerve IV – Trochlear Test: | Downward and lateral gaze |
| Cranial Nerve V – Trigeminal Afferent (Sensory): | Touch, pain: skin of face, mucous membranes of nose, sinuses, mouth, anterior tongue |
| Cranial Nerve V – Trigeminal Efferent (Motor): | Voluntary motor: muscles of mastication |
| Cranial Nerve V – Trigeminal Test: | Corneal reflex, face sensation, clench teeth; push down on chin to separate jaws |
| Cranial Nerve VI – Abducens Afferent (Sensory): | None |
| Cranial Nerve VI – Abducens Efferent (Motor): | Voluntary motor: Lateral rectus muscle of eyeball |
| Cranial Nerve VI – Abducens Test: | Lateral gaze |
| Cranial Nerve VII – Facial Afferent (Sensory): | Taste: anterior tongue |
| Cranial Nerve VII – Facial Efferent (Motor): | Voluntary motor: facial muscles; Autonomic: lacrimal, submandibular, and sublingual glands |
| Cranial Nerve VII – Facial Test: | Close eyes tight, smile and show teeth, whistle and puff cheeks, identify familiar tastes (e.g., sweet, sour) |
| Cranial Nerve VIII – Vestibulocochlear Afferent (Sensory): | Hearing: ear; Balance: ear |
| Cranial Nerve VIII – Vestibulocochlear Efferent (Motor): | None |
| Cranial Nerve VIII – Vestibulocochlear Test: | Hear watch ticking, hearing tests, balance and coordination test |
| Nerve IX – Glossopharyngeal Afferent (Sensory): | Touch, pain: posterior tongue, pharynx; Taste: posterior tongue |
| Nerve IX – Glossopharyngeal Efferent (Motor): | Voluntary motor: unimportant muscle of pharynx; Autonomic: parotid gland |
| Nerve IX – Glossopharyngeal Test: | Gag reflex, ability to swallow |
| Cranial Nerve V – Trigeminal Afferent (Sensory): | Touch, pain: skin of face, mucous membranes of nose, sinuses, mouth, anterior tongue |
| Cranial Nerve V – Trigeminal Efferent (Motor): | Voluntary motor: muscles of mastication |
| Cranial Nerve V – Trigeminal Test: | Corneal reflex, face sensation, clench teeth; push down on chin to separate jaws |
| Cranial Nerve XI – Accessory Afferent (Sensory): | None |
| Cranial Nerve XI – Accessory Efferent (Motor): | Voluntary motor: sternocleidomastoid and trapezius muscle |
| Cranial Nerve XI – Accessory Test: | Resisted shoulder shrug |
| Cranial Nerve XII – Hypoglossal Afferent (Sensory): | None |
| Cranial Nerve XII – Hypoglossal Efferent (Motor): | Voluntary motor: muscles of tongue |
| Cranial Nerve XII – Hypoglossal Test: | Tongue protrusion (if injured, tongue deviates toward injured side) |
Created by:
micah10
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