Intro To Nervous System

Question 0

What is the most critical indicator of NS function?

Answer 0

LOC

Question 1

What does a vegetation state do?

Answer 1

Causes structural damage

Question 2

What are breathing patters and respirations based on?

Answer 2

CO2 levels

Question 3

What type of respirations will be seen?

Answer 3

Kussmauls respirations

Question 4

What happens to the Cerebral vessels with high CO2 levels?

Answer 4

They dilate

Question 5

How many cranial nerves are there?

Answer 5

12

Question 6

Cranial nerve 1?

Answer 6

Olfactory (smell)

Question 7

What is cranial nerve 2?

Answer 7

Optic (vision)

Question 8

What is cranial nerve 3?

Answer 8

Occulomotor (most eye movement, pupillary constriction, and upper eyelid elevation)

Question 9

What is cranial nerve 4 ?

Answer 9

Trochlear (down and in eye movement)

Question 10

What is cranial nerve 5?

Answer 10

Trigeminal(chewing, corneal reflex, face and scalp sensations)

Question 11

What is cranial nerve 6?

Answer 11

Abducent (lateral eye movement)

Question 12

What is cranial nerve 7?

Answer 12

Facial (expressions in forehead, eye, and mouth, taste, salvation, and tearing

Question 13

What is cranial nerve 8?

Answer 13

Acoustic (hearing and balance)

Question 14

What is cranial nerve 9?

Answer 14

Glossopharyngeal (swallowing, salivating, and taste)

Question 15

What is cranial nerve 10?

Answer 15

Vagus (swallowing, gag reflex, talking, sensations of throat, larynx, and abdominal viscera. Activities of thoracic and abdominal viscera, such as HR and peristalsis)

Question 16

What is cranial nerve 11?

Answer 16

Accessory (shoulder movement and head rotation)

Question 17

What is cranial nerve 12?

Answer 17

Hypoglossal (tongue movement)

Question 18

What do upper motor neurons do? And is it a quick response?

Answer 18

Influence and modify spinal reflex archs and the spinal reflex arch control action in the synapse of the spinal cord.

Yes

Question 19

What does the anterior spinothalmic tract sense?

Answer 19

Vague touch

Question 20

What does the lateral spinothalmic tract sense?

Answer 20

Pain and sensory perception

Question 21

What is the sympathetic?

Answer 21

Mobilizes energy in times of need. Fight or flight!

Question 22

What does parasympathetic do?

Answer 22

Conserves and restores energy “rest and digest”

Question 23

What neurotransmitter is released in parasympathetic?

Answer 23

Ach

Question 24

What occurs in decorticate?

Answer 24

Flexed wrists and fingers and elbows are bent with hands up near chest

Question 25

What does decorticate indicate?

Answer 25

Severe brain damage

Question 26

What occurs in decerebate?

Answer 26

Arms are straight out and clinched

Question 27

What does decerebate indicate?

Answer 27

Even worse brain damage!! People do not come out of this type of brain damage.

Question 28

What is intracranial pressure related to?

Answer 28

Decreased cerebral perfusion

Question 29

What is a direct consequence of increased ICP?

Answer 29

Brain tissue hypoxia

Question 30

What can too little blood in the brain cause?

Answer 30

Tissue ischemia, and inadequate blood flow

Question 31

What can too much blood in the brain cause?

Answer 31

Raise in ICP

Question 32

What medication do you give to treat ICP?

Answer 32

IV mannitol

Question 33

Why do we give mannitol?w

Answer 33

Increases the osmolality of the blood so as to draw water from the edema into the blood.

Question 34

What is important to prevent?

Answer 34

ICP

Question 35

Why is it important to prevent ICP?

Answer 35

Because with ICP you can have brain stem herniation that is irreversible damage and immediate brain death

Question 36

What is the cerebral perfusion pressure (CPP) equation?

Answer 36

CPP=MAP-ICP

Question 37

What must CPP be maintained at?

Answer 37

Greater than 50

Question 38

What is the MAP equation?

Answer 38

MAP=DP+1/3 (SP-DP)

Question 39

Why is vasogenic edema important?

Answer 39

Because BBB is disrupted