Cranial nerves

Question 1

Cranial nerve 1: Olfactory

Answer 1

responsible for transmitting smell

Question 2

Cranial Nerve 2: Optic nerve

Answer 2

responsible for transmitting visual information

Question 3

Cranial Nerve 3: Oculomotor nerve

Answer 3

contracts iris

Question 4

CN 4: Trochlear Nerves

Answer 4

controls eye movement

Question 5

CN 5: Trigeminal nerves

Answer 5

-largest cranial nerve
-Herpes is usually found at the root
-V1 ophthalmic
-V2 maxillary
-V3 Mandibular

Question 6

CN 6: Abducens nerve

Answer 6

controls the lateral rectus muscle

Question 7

CN 7: Facial nerves

Answer 7

-innervates muscles to make facial expressions
-taste for anterior 2/3 of tongue

Question 8

CN 8: Vestibular

Answer 8

-hearing and balance

Question 9

CN 9: Glossopharyngeal

Answer 9

taste for posterior 1/3 of tongue

Question 10

CN 10: Vagus

Answer 10

-only cranial nerve to extend beyond head and neck
-recurrent laryngeal branch innervates nearly all larynx muscles

Question 11

CN 11: Accessory nerves

Answer 11

paralysis results in loss of shoulder shrugging ability

Question 12

CN 12: Hypoglossal

Answer 12

swallowing and speech

Question 13

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Answer 13

Lateral rectus controlled by CN 6
Superior oblique controlled by CN
All others controlled by CN 3