Cranial nerve

Question 1

Cranial Nerve II

Answer 1

Optic nerve controls sense of vision

Test vision for acuity and visual fields

Question 2

Cranial nerve III

Answer 2

Oculomotor pupil construction raise eyelids

Test reaction to light and ability to open and close eyelids

Question 3

Cranial Nerve IV

Answer 3

Trochlear downward inward eye movement

Test eyes movement down and inward

Question 4

Cranial Nerve V

Answer 4

Trigeminal jaw movement chewing and mastication sensation of face and next

Test: open and clench jaw while you palpate
Use light touch on face to test sensation

Question 5

Cranial Nerve VI

Answer 5

Abducens lateral movement of the eyes

Test ocular movement in all directions

Question 6

Cranial Nerves VII

Answer 6

Facial muscle of the face . Sense of taste in the anterior two thirds of the tongue

Test raise eyebrows, smile, show teeth and puff out cheeks. For sensation with various agents

Question 7

Cranial Nerves VIII

Answer 7

Vestiocochelear (acoustic) : sense of hearing

Test hearing ability whisper test

Question 8

Cranial Nerves IX

Answer 8

Glossopharyngeal: pharyngeal movement and swallowing . Sense of taste on the posterior 1/3 of the tongue

Test have PT. Say ah and yawn to to observe the upward movement of soft palate; elicit gag reflex

Question 9

Cranial Nerves X

Answer 9

Vagus: gag reflex; swallowing and speaking without hoarseness

Test: ask pt. To swallow and speak ; note hoarseness

Question 10

Cranial Nerve XI

Answer 10

Accessory : movement of shoulder muscles
Turn head against resistance

Test: ask pt. To shrug shoulders against resistance

Question 11

Cranial nerve XII

Answer 11

Hypoglossal : movement of the tongue strength of the tongue

Test: ask pt to protrude tongue ask pt to push tongue against cheek

Question 12

Frontal Lobe

Answer 12

Controls emotions judgements, motor aspects of speech, primary motor cortex for voluntary muscle activation area of higher level functioning

Question 13

Parietal Lobe

Answer 13

Receives fibers with sensory information about touch proprioception (awareness of posture and where ones body is in space) temperature and pain from the other side of the body

Question 14

Occipital Lobe

Answer 14

Primary vision center and interoperation of visual data

Question 15

Temporal Lobe

Answer 15

Perception and interoperation of sound and determination of its source, contain Wernicke speech area for comprehension of spoken and written language; integrates taste; smell and balance as well as behavior emotion and personally

Question 16

Spinothalamic Tract

Answer 16

Contains sensory fibers that transmit the sensation of pain temperature and crude or light touch

Question 17

Corticospinal or prymidal Tract

Answer 17

Motor system that permits very skilled and purposeful movement

Question 18

Extraprymidal tracts

Answer 18

All motor nerves fibers originating in the motor cortex

Question 19

Cranial Nerve I

Answer 19

Olfactory nerve controls the sense of smell

Test each nostril from smell reception with various agents and interpretations