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Flashcards in Cranial Nerves Deck (12):
0

What is cranial nerve I?

Olfactory nerve;
Sensory
Smell

1

What is cranial nerve II?

Optic nerve
sensory
vision

2

What is cranial nerve III?

Oculomotor
Mixed - motor and sensory
Motor - most EOM movement, opening of the optic muscles
Parasympathetic - pupil constriction, lens shape

3

What is cranial nerve IV?

Trochlear
motor
down and inward movement of the eye

4

What is cranial nerve V?

Trigeminal
Mixed - motor and sensory
Motor - muscles of mastication
Sensory - sensation of face and scalp, cornea, mucous membranes of mouth and nose

5

What is cranial nerve VI?

Abducens
Motor
Lateral movement of eye

6

What is cranial nerve VII?

Facial
Mixed
Motor - facial muscles, close eye, labial speech, close mouth
Sensory - taste (sweet, salty, sour, bitter) on anterior 2/3 of tongue
Parasympathetic - saliva and tear secretion

7

What is cranial nerve VIII?

Acoustic
Sensory
Hearing and equilibrium

8

What is cranial nerve IX?

Glossopharyngeal
Mixed
Motor - pharynx (phonation and swallowing)
Sensory - taste on posterior 1/3 of tongue, pharynx (gag reflex)
Parasympathetic - parotid gland, carotid reflex

9

What is cranial nerve X?

Vagus
Mixed
Motor - pharynx and larynx (talking and swallowing)
Sensory - general sensation from carotid body, carotid sinus, pharynx, viscera
Parasympathetic - carotid reflex

10

What is cranial nerve XI?

Spinal
Motor
Movement of trapezius and sternomastoid muscles

11

What is cranial nerve XII?

Hypoglossal
Motor
Movement of tongue