Cranial Nerves

Question 1

Cranial Nerve I Name, Exit, Category

Answer 1

Olfactory, Cribiform plate, Sensory

Question 2

Cranial Nerve I Function

Answer 2

Smell

Question 3

CN II Name, Exit, and category

Answer 3

Optic, Optic canal, Sensory

Question 4

CN II Function

Answer 4

vision

Question 5

CN III Name, Exit, Category

Answer 5

Oculomotor, Superior orbital fissure, Motor

Question 6

CN III Function

Answer 6

Motor to four muscles that move eye

Question 7

CN IV Name, Exit, Category

Answer 7

Trochlear, Superior orbital fissure, Motor

Question 8

CN IV Function

Answer 8

Motor to superior oblique muscle (eye movement)

Question 9

CN V Name, Exit, Category

Answer 9

Trigeminal (V1. Superior orbital fissure, V2. Foramen rotundum V3. Foramen ovale), sensory and motor

Question 10

CN V Function

Answer 10

General sensation from face (V1: superior face; V2: middle face; V3: inferior face)
Motor to muscles of mustication (via V3 only)

Question 11

CN VI Name, Exit, Category

Answer 11

Abducens, Superior orbital fissure, Motor

Question 12

CN VI Function

Answer 12

Motor to lateral rectus muscle (eye movement)

Question 13

CN VII Name, Exit, Category

Answer 13

Facial, Enters skull via internal acoustic meatus, sensory and motor

Question 14

CN VII function

Answer 14

Motor to muscles of facial expression;
Taste from palate and anterior 2/3 of tongue;
Stimulate lacrimal glands (tears) and 2/3 of salivary glands

Question 15

CN VIII Name, Exit, Category

Answer 15

Vestibulocochlear, Enters skull via internal acoustic meatus; Does not exit skull, Sensory

Question 16

CN VIII Function

Answer 16

Hearing and Balance

Question 17

CN IX Name, Exit, Category

Answer 17

Glossopharyngeal, Jugular foramen, sensory and motor

Question 18

CN IX Function

Answer 18

Motor to stylopharyngeus muscle (a muscle in the pharynx)
Taste from posterior tongue and vallate papillae.
Poorly localized general sensation (pain, temperature, touch and pressure) from the posterior part of the tongue & pharynx
Stimulate 1/3 of salivary glands

Question 19

CNX Name, Exit, Category

Answer 19

Vagus, Jugular foramen, sensory and motor

Question 20

CNX Function

Answer 20

Poorly localized general sensation (pain, temperature, touch, and pressure) in the lining of the larynx and upper esophagus.
Motor innervation to striated muscles of the palate, larynx, pharynx, and upper esophagus

Question 21

CN XI Name, Exit, Category

Answer 21

Accessory, Jugular foramen, Motor

Question 22

CN XI Function

Answer 22

Motor to trapezius & sternocleidomastoid muscles

Question 23

CN XII Name, Exit, Category

Answer 23

Hypoglossal, Hypoglossal canal, Motor

Question 24

CN XII Function

Answer 24

Motor to muscles of tongue