12-9: Cranial Nerves - by answer

Question 1

Which cranial nerves are sensory?

Answer 1

I. Olfactory
II. Optic
VIII. Vestibulocochlear

Question 2

Which cranial nerves are motor?

Answer 2

III. Oculomotor
IV. Trochlear
VI. Abducens
XI. Accessory
XII. Hypoglossal

Question 3

Which cranial nerves are mixed?

Answer 3

V. Trigeminal
VII. Facial
IX. Glossopharyngeal
X. Vagus

Question 4

Which cranial nerve is the largest?

Answer 4

V. Trigeminal

Question 5

Which cranial nerve extends outside of the head and neck?

Answer 5

X. Vagus “wanderer”

Question 6

Damage to __ results in anosmia.

Answer 6

I. Olfactory

Question 7

Damage to __ results in diplopia.

Answer 7

III. Oculomotor or IV. Trochlear (double vision)

Question 8

Damage to __ results in anopsias.

Answer 8

II. Optic

Question 9

Damage to __ results in ptosis.

Answer 9

III. Oculomotor (drooping eyelids)

Question 10

Damage to __ results in external strabismus, but damage to __ results in internal strabismus.

Answer 10

III. Oculomotor (eye moves laterally); VI. Abducens (cross eyed)

Question 11

Dentists block sensation from the __.

Answer 11

V. Trigeminal

Question 12

Damage to __ results in paralysis of chewing muscles

Answer 12

V. Trigeminal

Question 13

Damage to __ results in a type of facial neuralgia.

Answer 13

V. Trigeminal (trigeminal neuralgia)

Question 14

Damage to __ results in Bell’s palsy.

Answer 14

VII. Facial (paralysis of facial muscles on affected side, partial loss of taste)

Question 15

Damage to ___ results in vertigo.

Answer 15

VIII. Vestibulocochlear

Question 16

Damage to __ results in nystagmus.

Answer 16

VIII. Vestibulocochlear (rapid, involuntary eye movements)

Question 17

Damage to __ results in nerve deafness.

Answer 17

VIII. Vestibulocochlear

Question 18

Damage to __ results in difficulty swallowing or a reduction in saliva production.

Answer 18

IX. Glossopharynglea

Question 19

Damage to __ results in a loss of taste from the anterior 2/3rds of tongue, but damage to __ results in a loss of taste from the posterior 1/3rd of tongue.

Answer 19

VII. Facial; IX. Glossopharyngeal

Question 20

Damage to ___ results in loss of voice.

Answer 20

X. Vagus

Question 21

Damage to __ results in dysphagia or impaired digestion

Answer 21

X. Vagus

Question 22

Destruction of both of these facial nerves causes death.

Answer 22

X. Vagus

Question 23

Damage to __ results in inability to shrug shoulders to turn head. Head remains turned towards ___ side.

Answer 23

XI. Accessory; injured

Question 24

Damage to __ results in difficulty with speech and swallowing.

Answer 24

XII. Hypoglossal

Question 25

Difficulty with swallowing with a partial loss of taste may indicate damage to ___, but difficulty swallowing and with speech can indicate damage to ___.

Answer 25

IX. Glossopharyngeal; XII. Hypoglossal