Cranial Nerves

Question 1

Function of Olfactory Nerve

Answer 1

Smell

Question 2

Function of Optic Nerve

Answer 2

Vision

Question 3

Function of Oculomotor Nerve

Answer 3

Eye movement; pupil constriction

Question 4

Function of Trochlear Nerve

Answer 4

Eye movement

Question 5

Function of Trigeminal Nerve

Answer 5

Somatosensory information (touch, pain) from the face and head; muscles for chewing.

Question 6

Function of Abducens Nerve

Answer 6

Eye movement

Question 7

Function of Facial Nerve

Answer 7

Taste (anterior 2/3 of tongue); somatosensory information from ear; controls muscles used in facial expression.

Question 8

Function of Vestibulocochlear Nerve

Answer 8

Balance

Question 9

Function of Glossopharyngeal Nerve

Answer 9

Taste (posterior 1/3 of tongue); Somatosensory information from tongue, tonsil, pharynx; controls some muscles used in swallowing.

Question 10

Function of Vagus Nerve

Answer 10

Sensory, motor and autonomic functions of viscera (glands, digestion, heart rate)

Question 11

Function of Spinal Accessory Nerve

Answer 11

Controls muscles used in head movement.

Question 12

Function of Hypoglossal Nerve

Answer 12

Controls muscle of the tongue

Question 13

Name the twelve cranial nerves.

Answer 13

olfactory; optic; oculomotor; trochlear; trigeminal; abducens; facial; vestibulocochlear; glossopharygeal; vagus; accessory; hypoglossal

Question 14

Which cranial nerve is being tested when a person is asked to sniff and identify aromatic substances?

Answer 14

Olfactory

Question 15

Which cranial nerve is being tested when vision and visual field are determined by using an eye chart?

Answer 15

Optic

Question 16

Which three cranial nerves are being tested when the pupils are examined for size, shape and equality?

Answer 16

oculomotor; Itrochlear, abducens

Question 17

Which cranial nerve has fibers which arise from the retina of the eye and pass through the optic canal?

Answer 17

Optic

Question 18

Which cranial nerve controls the muscles which direct the eyeball and eyelid, as well as the iris and smooth muscles which control lens shape?

Answer 18

Oculomotor

Question 19

The surface of the cerebrum has convolutions known as

Answer 19

gyri

Question 20

The medulla oblongata is responsible for wakefulness true or false?

Answer 20

False

Question 21

Which cranial nerve is responsible for transmitting stimuli from face and head and corneal reflex?

Answer 21

V - Trigeminal

Question 22

Which cranial nerve is responsible for the taste receptors in the anterior two thirds of the tongue?

Answer 22

VII - Facial