Cranial Nerves

Question 1

somatic motor functions

Answer 1

control of skeletal muscle

Question 2

parasympathetic

Answer 2

regulation of glands, smooth muscle and cardiac muscle

Question 3

olfactory nerve

Answer 3

• cribriform plate

- smell

Question 4

optic nerve

Answer 4

• optic foramen

- vision

Question 5

oculomotor nerve

Answer 5

• superior orbital fissure

- innervates muscles that move eye, pupil size, shape of lens

Question 6

trochlear nerve

Answer 6

• superior orbital fissure

- somatic motor nerve- moves eyeball

Question 7

trigeminal nerve

Answer 7

• superior orbital fissure, foramen rotundum, foramen ovale

- muscles of mastication, middle ear, palatine muscle, and throat muscle

Question 8

proprioception

Answer 8

informs brain about position of various muscles

Question 9

alveolar nerves

Answer 9

innervate teeth

Question 10

superior alveolar nerves

Answer 10

to maxillary teeth

Question 11

adbucens nerve

Answer 11

• superior orbital fissure

- moving eyeball

Question 12

facial nerve

Answer 12

• internal auditory canal and stylomastoid foramen

- facial expression, middle ear, and hyoid muscles

Question 13

vestibulocochlear nerve

Answer 13

• internal auditory canal

- from inner ear- special senses of hearing and balance

Question 14

glossopharyngeal nerve

Answer 14

• jugular foramen
• sense of taste
• swallowing

Question 15

vagus nerve

Answer 15

• jugular foramen
• inferior pharynx, larynx, thoracic and abdominal organs
• monitors blood pressure and levels of CO2, O2, and pH

Question 16

accessory nerve

Answer 16

• foramen magnum, jugular foramen

- motor to sternocleidomastoid and trapezius

Question 17

hypoglossal

Answer 17

• hypoglossal canal

- intrinsic and extrinsic tongue muscles, and throat