Cranial nerves

Question 1

I. Olfactory

Answer 1

Smell
Attached to cerebrum
Innervates nasal cavity

Question 2

II. Optic

Answer 2

Vision
Attached to thalamus
Innervated retina

Question 3

III. Oculomotor

Answer 3

Eye movement
Midbrain
Innervated eye muscles

Question 4

IV. Trochlear

Answer 4

Eye movement
Midbrain
Superior oblique muscles

Question 5

IX. Accessory

Answer 5

Shoulder and neck movement
Medulla and upper spinal cord
Innervated pharynx, tonsils and back of tongue

Question 6

XII. Hypoglossal

Answer 6

Movement of tongue
Medulla
Innervated muscles of tongue

Question 7

V. Trigeminal

Answer 7

Facial sensation and chewing
Pons
Sensory: face, scalp, mouth, teeth
Motor: muscles of mastication

Question 8

VI. Abducens

Answer 8

Eye movement
Pins
muscles of eye

Question 9

VII. Facial

Answer 9

Facial expression, taste front 2/3 of tongue
Pons
Innervates facial muscles

Question 10

VIII. Vestibulocochlear

Answer 10

Hearing and balance
Pins
Innervates cochlea

Question 11

IX. Glossopharyngeal

Answer 11

Taste
Medulla
Intervals posterior 1/3 of tongue

Question 12

X. Vagus

Answer 12

Speech and swallowing
Medulla
Innervates larynx, pharynx