Cranial Nerves / Skull Foramina

Question 1

what does olfactory nerve (CN I) pass through?

Answer 1

cribriform plate

Question 2

what does the optic nerve (CN II) pass through?

Answer 2

optic canal

Question 3

what does the occulomotor nerve (CN III) pass through?

Answer 3

superior orbital fissure

Question 4

what does the trochlea nerve (CN IV) pass through?

Answer 4

superior orbital fissure

Question 5

what does the opthalmic nerve (V1, branch of trigeminal) pass through?

Answer 5

superior orbital fissure

Question 6

what does the maxillary nerve (V2, branch of trigeminal) pass through?

Answer 6

foramen rotundum

Question 7

what does the mandibular nerve (V3, branch of trigeminal) pass through?

Answer 7

foramen ovale

Question 8

what does the middle meningeal artery pass through?

Answer 8

foramen spinosum

Question 9

what does the facial nerve (CN VII) pass through?

Answer 9

internal acoustic meatus

Question 10

what does the vestibulocochlear nerve (CN VIII) pass through?

Answer 10

internal acoustic meatus

Question 11

what does the hypoglossal nerve pass through?

Answer 11

hypoglossal canal

Question 12

what does the spinal accessory nerve (XI) pass through?

Answer 12

foramen magnum

Question 13

what does the vertebral arteries pass through?

Answer 13

foramen magnum

Question 14

what does the glossopharyngeal nerve (CN IX) pass through?

Answer 14

jugular foramen

Question 15

what does the vagus nerve (CN X) pass through?

Answer 15

jugular foramen

Question 16

what does the accessory nerve (CN XI) pass through?

Answer 16

jugular foramen

Question 17

what passes through the cribriform plate?

Answer 17

olfactory nerve (CN I)

Question 18

what passes through the superior orbital fissure?

Answer 18

occulomotor (CN III), trochlea (CN IV), abducens (CN VI), trigeminal - ophtalmic (CN V1)

Question 19

what passes through the optic canal?

Answer 19

optic nerve (CN II)

Question 20

what passes through the foramen rotundum?

Answer 20

trigeminal - maxillary (CN V2)

Question 21

what passes through the foramen ovale?

Answer 21

trigeminal - mandibular (CN V3)

Question 22

what passes through the foramen spinosum?

Answer 22

middle meningeal artery

Question 23

what passes through the internal acoustic meatus?

Answer 23

facial (CN VII) and vestibulocohlear (VIII)

Question 24

what passes through the hypoglossal canal?

Answer 24

hypoglossal (CN XII)

Question 25

what passes through the foramen magnum?

Answer 25

medulla, spinal accessory nerves (XI), vertebral arteries

Question 26

what passes through the jugular foramen?

Answer 26

glossopharyngeal (IX), vagus (X), accessory (XI)