12 pairs of Cranial Nerve Funtion Flashcards Preview

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Flashcards in 12 pairs of Cranial Nerve Funtion Deck (12):
0

Olfactory

sensory- I - smell

1

Optic

sensory- II- 2- vision

2

Oculomotor

III - 3- Eyelid and eyeball movement.

motor- movement of eyeball, pupil and upper eyelid (all eye muscle except lateral rectus and superior oblique muscle)

3

Trochlear

IV- 4- Innervates superior oblique turns eye downward and laterally

motor- eye movement

4

Trigeminal

V- 5- Chewing; face and mouth touch and pain

motor- movement of muscle for mastication
sensory- tactile facial sensation

5

VI. Abducens

Turns eye laterally

motor- opens eye (ipsilateral lateral rectus)

6

Facial

VII- Controls most facial expressions; serections of tears and saliva.

motor- movement of facial muscle; Extrinsic and intrinsic ear muscle, stapedius muscle

sensory- taste (anterior 2/3 of tongue); controls most facial expressions

7

VIII. Acoustic (vestibulocochlear, auditory)

Hearing equilibrium sensation


sensory- hearing; equilibrium and orientation of head in space

8

IX. Glossopharyngeal

Taste senses carotid blood pressure.

motor- elevation of palate, movement of pharynx and larynx; contributes to swallowing by controlling the stylopharngeus musical

sensory- taste from posterior 1/3 of tongue and oral pharynx

9

X. Vagus

Senses aortic blood pressure slows heart rate stimulates digestive organs taste.

motor- muscle f soft palate, pharynx and larynx; base of tongue (palatoglossus muscle only)

sensory- sensation from pharynx and larynx; taste in the epiglottis and pharynx

10

XI. Spinal Accessory

Controls trapezius & sternocleidomastoid; controls swallowing movement.

motor- movement of head and shoulders; movement of palate, pharynx and larynx

11

XII. Hypoglossal

Controls tongue movement.

motor- all of the intrinsic muscle of the tongue; all of the extrinsic muscle of the tongue except for the palatoglossus