Cranial Nerves: Name and Major Function

Question 1

Olfactory

Answer 1

Smell

Question 2

Optic

Answer 2

Vision

Question 3

Oculomotor

Answer 3

Control of eye mvts.;

Pupil constriction

Question 4

Trochlear

Answer 4

Control of eye mvts.

Question 5

Trigeminal

Answer 5

Skin sensations from most of the face;

Control of jaw muscles for chewing and swallowing

Question 6

Abducens

Answer 6

Control of eye mvts.

Question 7

Facial

Answer 7

Taste from the anterior 2/3 of the tongue;

Control of facial expressions, crying, salivation, and dilation of the head’s blood vessels

Question 8

Statoacoustic

Answer 8

Hearing;

Equilibrium

Question 9

Glossopharyngeal

Answer 9

Taste and other sensations from throats and posterior 1/3 of the tongue;
Control of swallowing, salivation, threat mvts. during speech

Question 10

Vagus

Answer 10

Sensations from neck and thorax;
Control of throat, esophagus, and larynx;
Parasympathetic nerves to stomach, intestines, and other organs

Question 11

Accessory

Answer 11

Control of neck and shoulder mvts.

Question 12

Hypoglossal

Answer 12

Control of muscles of the tongue