Cranial Nerves

Question 1

CN I NAME & FUNCTION

CN II NAME & FUNCTION

CN III NAME & FUNCTION

Answer 1

Olfactory N - Sensory for smelling

Optic N - Sensory for vision

Oculomotor N - Motor for eye movement for 4 of 6 eye muscles

Question 2

CN IV NAME & FUNCTION

CN V NAME & FUNCTION

CN VI NAME & FUNCTION

Answer 2

Trochlear - Motor for eye rotation for Superior Oblique muscle

Trigeminal - mixed nerve/both
Muscles of mastication, sensory for forehead/cheek/mandible

Abducens - Motor for eye abduction by Lateral Rectus muscle

Question 3

CN VII NAME & FUNCTION

CN VIII NAME & FUNCTION

CN IX NAME & FUNCTION

Answer 3

Facial - Mixed nerve/Both Muscles of facial expression and sensory for taste to front of tongue

Vestibulocochlear - Sensory for Hearing & Balance

Glossopharyngeal - Mixed nerve/Both motor for muscles of tongue/pharynx and sensory for taste of back of tongue

Question 4

CN X NAME & FUNCTION

CN XI NAME & FUNCTION

CN XII NAME & FUNCTION

Answer 4

Vagus - sensory/Motor for Parasympathetic to thoracic/abdominal cavities

Spinal Accessory - Motor for movement of Sternocleidomastoid and trapezius

Hypoglossal - Motor for innervation to tongue - sticking tongue out/in
- genioglossus/styloglossus