Cranial Nerves

Question 1

Cranial Nerve #1 function

Answer 1

olfactory:

smell (s)

Question 2

Cranial neve #2 function

Answer 2

Optical:

vision (s)

Question 3

Cranial nerve #3 function

Answer 3

oculomotor: (motor)

superior, medial, and inferior rectus, inferior oblique

Question 4

Cranial nerve #4 function

Answer 4

trochlear: (motor)

superior oblique muscle

Question 5

Cranial nerve #5 function

Answer 5

trigeminal: (both)

all sensory info from the face

Question 6

Cranial nerve #6 function

Answer 6

abducens:(motor)

lateral rectus muscle

Question 7

Cranial nerve #7 function

Answer 7

facial (mixed)
Motor portion innervates for all facial expressions.
Sensory portion transmits all taste from anterior 2/3 of tongue.

Question 8

Cranial nerve #8 function

Answer 8

Vestibulocochlear nerve (sensory)
Acoustic or vestibular cochlear. vision, hearing, equilibrium

Question 9

Cranial nerve #9 function

Answer 9

Glossopharyngeal nerve (both)
Motor portion innervates voluntary swallowing.
Sensory portion innervates sensation from the pharynx, tonsil and taste posterior 1/3 of the tongue.

Question 10

Cranial nerve #10 function

Answer 10

vagus (both)
Motor portion controls all organs in visceral thoracic and abdominal cavity.
Sensory portion receives sensory info from organs visceral throacic and abdominal cavity.

Question 11

Cranial nerve #11 function

Answer 11

accessory (motor)

innervates skeletal muscles; neck and shoulder muscles

Question 12

Cranial nerve #12 function

Answer 12

hypoglossal (most)

Extrinsic muscles of tongue

Question 13

Cranial nerve I and II origination:

Answer 13

cranial

Question 14

Cranial nerve III origination:

Answer 14

Mesencephalon

Question 15

Cranial nerve IV, V, VI, and VII origination:

IV-VIII

Answer 15

pons

Question 16

Cranial nerve VIII, IX, X, XI, XII origination:

VIII-XII

Answer 16

medulla