BIO125 - CranialNerves

Question 0

II

Answer 0

2

Optic

Question 1

I

Answer 1

1 Olfactory

Question 2

III

Answer 2

3

Oculomotor

Question 3

IV

Answer 3

4

Trochlear nerve

Question 4

V

Answer 4

5

Trigeminal nerve

Question 5

VI

Answer 5

6

Abducens

Question 6

VII

Answer 6

7

Facial

Question 7

VIII

Answer 7

8

Vestibulocochlear nerve

Question 8

IX

Answer 8

9

Glossopharyngeal

Question 9

X

Answer 9

10

Vagus nerve

Question 10

XI

Answer 10

11

Accessory nerve

Question 11

XII

Answer 11

12

Hypoglossal nerve

Question 12

most nerves attach to ____ and are part of the CNS or PNS?

Answer 12

attach to brainstem and are apart of PNS

Question 13

Nerves come in ____

Answer 13

pairs

Question 14

nerves with sensory and motor function (5)

Answer 14

Trigeminal
facial
Glossopharyngeal
vagus 
Vestibulocochlear (SOME MOTOR FUNCTION!)

Question 15

just motor function (3)

Answer 15

Oculomotor
abducens
accessory
hypoglossal
Trochlear

Question 16

just sensory function (2)

Answer 16

olfactory

optic

Question 17

smell

• bulbs and tracts extend from cerebrum
• fascicles pas through cribiform plate

Answer 17

olfactory (I)

Question 18

Vision

• nerve fibers pass through optic canal
• some fibers cross over in optic chiasm
• optic tracts lead from chiasm

Answer 18

Optic (II)

Question 19

Eye movements (3)
- passes through superior orbital fissure

Answer 19

Oculomotor (III)
Trochlear (IV)
Abducens (VI)

Question 20

Sensory for facial and teeth: chewing

- largest cranial nerve has 3 branches

Answer 20

Trigeminal (V)

Question 21

3 branches of Trigeminal nerve:
__ superior orbital fissure
__ foramen rotundum
__ foramen ovale

Answer 21

Ophthalmic
maxillary
mandibular

Question 22

expressions, salvation, taste, tear secretion

• major __ nerve has 5 main branches (don’t have to know)
• goes through acoustic canal and stylomastoid foramen

Answer 22

facial (VII)

Question 23

hearing and equilibrium

• mostly sensory
• through internal acoustic canal

Answer 23

Vestibulocochlear (VIII)

Question 24

• taste; tongue, throat and outer ear sensory
• salvation, swallowing, gagging
• blood pressure, respiratory control
• goes through jugular forammen

Answer 24

Glossopharyngeal (IX)

Question 25

• sensory and motor output for most internal organs
• cardio vascular, pulmonary, digestive, urinary functions
• through jugular foramen

Answer 25

vagus (X)

Question 26

swallowing; neck and shoulder movements

- though jugular foramen

Answer 26

accessory (XI)

Question 27

tongue movements

- through Hypoglossal canal

Answer 27

hypoglossal (XII)