Nervous System

Question 1

CN I Olfactory

Answer 1

Sensory :
Transmits sensory nerve impulses
From impulse from olfactory receptors

Question 2

CN II Optic

Answer 2

Sensory: transports sensory nerve impulse for vision from the retina of the eye to the brain

Question 3

CN III Oculomotor

Answer 3

Motor:

Transmits motor nerve impulse to muscle that rotate the eyes

Question 4

CN IV trochlear

Answer 4

Motor: transmits motor nerve impulse to the muscle that rotates eyes

Question 5

CN V Trigeminal

Answer 5

Mixed:

Transmits sensory nerve impulse from scalp forehead face teeth and gums to brain

Question 6

CN II abducens

Answer 6

Motor :

Transmits motor nerve impulse to muscle that move the eyes laterally

Question 7

CN VII facial

Answer 7

Mixed :

Transmits sensory nerve impulse from the anterior part of the tongue to the brain

Question 8

CN VIII vestibulocohlear

Answer 8

Sensory:

Transmits sensory nerve impulse from internal ear associated with hearing and equilibrium

Question 9

CN IX glossopharyngeal

Answer 9

Mixed: transmits sensory nerve impulse from posterior portion of the tongue tonsils pharynx and carotid arteries to the brain

Question 10

CN X Vagus

Answer 10

Mixed :

Transmits sensory nerve impulse from thoracic and abdominal organs esophagus larynx and pharynx to the brain.

Question 11

CN XI Accessory

Answer 11

Motor :
Transmits motor nerve impulse to muscle of the of the palate pharynx and larynx and to the trapezius and sternocleidomastoid muscles

Question 12

CN XII hypoglossal

Answer 12

Motor : transmits motor nerve impulse to the muscle to the tongue.

Question 13

What are the lobes

Answer 13

Frontal lobe 
Parietal lobe 
Temporal lobe
Occipital lobe 
Insua

Question 14

Superficial layer of brain meninges

Answer 14

Dura mater

Question 15

Middle layer of brain meninges

Answer 15

Arachnoid mater

Question 16

Deepest layer of brain meninges

Answer 16

Pia mater