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Flashcards in Cranial nerves Deck (12):
1

1

Olfactory = smell
Problem = anosmia

2

2

Optic = vision
Problem = blindness

3

3

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

4

4

trochlear = superior oblique
Problem = diplopia (double vision)

5

5

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

6

6

abducens = lateral rectus

7

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

8

8

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

9

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

10

10

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

11

11

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

12

12

hypoglossal = motor to tongue