Test 1- CN

Question 1

CN I

Answer 1

Olfactory

Sensory
Smell

Question 2

CN II

Answer 2

Optic

Sensory
Vision, pupils

Question 3

CN III

Answer 3

Oculomotor

Motor
Pupil constriction
SUPERIOR, MEDIAL, INFERIOR RECTUS, PLUS
INFERIOR OBLIQUE MUSLCES THAT DIRECT EYEBALL
LEVITATOR MUSCLES OF EYE LID
SMOOTH MUSCLES OF IRIS AND ciliary bodies

Question 4

CN IV

Answer 4

Trochlear

Motor
Superior Oblique muscle of eye, downward movement of eyes

Question 5

CN V

Answer 5

Trigeminal

• ophthalmic
• maxillary
• mandibular

Sensory
Mouth, nose, eye surface, dura matter, corneal reflex, facial sensation

Motor
Chewing muscle, jaw movement

Question 6

CN VI

Answer 6

Abducens

Motor
Lateral movement of eyes
LATERAL RECTUS MUSCLES, PROPRIOCEPTOR FIBERS FROM THIS MUSCLE TO THE BRAIN, CORNEAL LIGHT REFLEX

Question 7

CN VII

Answer 7

Facial

Sensory
Taste buds, anterior tongue

Motor
Facial expressions, lacrimal and savory glands

Question 8

CN VIII

Answer 8

Vestibulocochlear

Sensory
Equilibrium (vestibular)
Hearing (cochlear)

Question 9

CN IX

Answer 9

Glossopharyngeal

Sensory
Posterior part of ear drum and ear canal, pharynx, taste on posterior tongue

Motor
salivary glands, pharynx, uvula
Swallowing

Question 10

CN X

Answer 10

Vagus

Sensory
PHARYNX, LARYNX, IMPULSES FROM VISCERA PALATE

Motor
PHARYNX, LARYNX,RISE OF UVULA
Swallowing, speaking

Question 11

CN XI

Answer 11

Spinal accessory

Motor
STERNOCLEIDOMASTOID AND TRAPEZIUS MUSCLES (SHOULDER AND NECK)

Question 12

CN XII

Answer 12

Hypoglossal

Motor
Muscle of tongue, tongue symmetry and position