Cranial Nerve - Origins And Exits

Question 1

Olfactory - origin and exits

Answer 1

Origin - Olfactory bulb

Exit - Cribiform plate

Question 2

Optic origin and exits

Answer 2

Origin - Optic chiasm

Exits - Optic canal

Question 3

Oculomotor origins and exits

Answer 3

Origin - midbrain

Exit - orbital fissure

Question 4

Trochlear origins and exits

Answer 4

Origin - midbrain

Exit - orbital fissure

Question 5

Trigeminal origin and exits

Answer 5

Origin - pons
Exits - V1 - orbital fissure
V2 - foramen rotundum
V3 - foramen ovale

Question 6

Abducens origin and exit

Answer 6

Origin - Medulla

Exit - orbital fissure

Question 7

Facial origin and exit

Answer 7

Origin - Medulla

Exit - internal acoustic meatus

Question 8

Vestibulocochlear origin and exit

Answer 8

Origin - Medulla

Exit - internal acoustic meatus

Question 9

Glossopharyngeal origin and exit

Answer 9

Origin - Medulla

Exit - jugular foramen

Question 10

Vagus origin and exit

Answer 10

Origin - Medulla

Exit - jugular foramen

Question 11

Accessory origin and exit

Answer 11

origin - Medulla

Exit - jugular foramen

Question 12

Hypoglossal origin and exit

Answer 12

Origin - medulla

Exit - hypoglossal canal