Cranial nerves

Question 1

List cranial nerves

Answer 1

Olfactory
Optic
Oculomotor
Trochlear
Trigeminal
Abducens
Facial
Vestibulocochlear
Glossopharyngeal
Vagus
Accessory
Hypoglossal

Question 2

List order of sensory, mixed, motor

Answer 2

Some say money matters but my brother says big boobs matter most

S = sensory
B = both (mixed)
M = Motor

Question 3

Name the cranial nerve number and function:

OLFACTORY

Answer 3

CN 1

Function: Sensory = Olfaction

Question 4

Name the cranial nerve number and function: Optic

Answer 4

CN 2

Function: Sensory = Vision

Question 5

Name the cranial nerve number and function:

Oculomotor

Answer 5

CN 3
Function: MOTOR =
Autonomic (para) IRIS
Somatic = extraocular msucles and levator palpebrae superioris (elevates superior lid)

Question 6

Name the cranial nerve number and function: Trochlear

Answer 6

CN: 4
Function: MOTOR
Soamtic = Extraocular muscles DORSAL oblique

Question 7

Name the cranial nerve number and function: Trigeminal

Answer 7

CN: 5
Function: BOTH
Sensory = facial sensation
Somatic = muscles of mastication, tensor tympani of ear

Question 8

Name the cranial nerve number and function: Abducens

Answer 8

CN: 6
Function: MOTOr
Somatic = Extraocular muscles lateral rectus adn retractor bulbi

Question 9

Name the cranial nerve number and function: Facial

Answer 9

CN: 7
Function: BOTH
Sensory: Taste rostral 2/3rds tongue, touch medial surface of pinna

Motor =
Autonomic (para) Palatine glands, lacrimal glands, salivary glands
Somatic = Muscles of facial expression (minus leveator palpebrae superioris CN3), buccinator muscle, caudal belly of digastricus

Question 10

Name the cranial nerve number and function: Vestibulocochlear

Answer 10

CN: 8
Function: Sensory
Hearing and balance

Question 11

Name the cranial nerve number and function: Glossopharyngeal

Answer 11

CN: 9
Function: BOTH
Taste, caudal 1/3rd tongue, pharyngeal and middle ear sensation, blood pressure at carotid sinus
Motor - autonomic = Salivary glands
Somatic = Pharyngeal/ laryngeal muscles

Question 12

Name the cranial nerve number and function: Vagus

Answer 12

CN: 10
Function: BOTH
Sensory = Sensory from viscera, taste root of tongue, sensation external ear canal and pharynx/ larynx

Motor
Autonomic (para) = viscera
Somatic = Pharyngeal/ laryngeal/ oesophageal muscles

Question 13

Name the cranial nerve number and function: Accessory

Answer 13

CN: 11
Function: MOTOR
Somatic = Larynx, trapezius, sternocephalicus, oesophagus

Question 14

Name the cranial nerve number and function: Hypoglossal

Answer 14

CN: 12
Function: MOTOR
Somatic = Tongue muscles