Cranial nerves

Question 1

1

Answer 1

Olfactory = smell
Problem = anosmia

Question 2

2

Answer 2

Optic = vision
Problem = blindness

Question 3

3

Answer 3

oculomotor =
somatic motor = eye muscles + levator palpebrae (SO4 LR6 AR3)
visceral (autonomic) motor = parasympathetic to pupil (constriction) + ciliary muscle (accommodation of lens)

Question 4

4

Answer 4

trochlear = superior oblique 
Problem = diplopia (double vision)

Question 5

5

Answer 5

trigeminal = opthalmic, maxillary, mandibular

general sensory from area (+ V3 motor in muscles of mastication, part digastric, tensor veli palatini + tensor tympani)

Question 6

6

Answer 6

abducens = lateral rectus

Question 7

7

Answer 7

facial
somatic motor = muscles of facial expression, scalp, stapedieus, digastric
visceral motor = parasympathetic (sub) salivary, lacrimal + nose glands
sensory = taste (ant 2/3rd tongue) + general sensory from external acoustic meatus
BELL’S PALSY

Question 8

8

Answer 8

vestibulocochlear = sensory from ear - position + movement hearing 
Problem = tinnitus, vertigo, nystagmus

Question 9

9

Answer 9

glossopharyngeal
taste posterior 3rd tongue, general sensations from middle ear + posterior mouth
visceral sensations from carotid body + sinus
visceral motor = parasympathetic of parotid gland
somatic motor = stylopharyngeus
Problem = loss of gag reflex + taste

Question 10

10

Answer 10

vagus = 
taste from epiglottis + palate
sensation from pinna + EAM
visceral sensory from everywhere
visceral motor = parasympathetic in bronchi, gut, heart
somatic motor = throat

Question 11

11

Answer 11

accessory = motor of soft palate, phar + larynx, sternocleidomastoid + trapezius

Question 12

12

Answer 12

hypoglossal = motor to tongue