Nervous System

Question 1

What is anatomy?

Answer 1

the study of the part

Question 2

What is physiology?

Answer 2

the study of how the parts function

Question 3

What is the cell?

Answer 3

the basic unit of life

Question 4

What is the structure of organic material from smallest to largest?

Answer 4

cell –> tissue –> organ –> organ system

Question 5

What are cells controlled by?

Answer 5

innate, life force

Question 6

What is the balance in a cell called?

Answer 6

homeostasis

Question 7

What is a word association for homeostasis?

Answer 7

steady state

Question 8

If a cell maintains homeostasis then it is…..

Answer 8

healthy

Question 9

What is it called when a cell does not maintain homeostasis?

Answer 9

disease

Question 10

What is a subluxation?

Answer 10

spinal dysfunction/misalignment plus nerve interference that prevents homeostasis

Question 11

What are the components of the central nervous system?

Answer 11

brain and spinal cord

Question 12

What are the components of the peripheral nervous system?

Answer 12

cranial + spinal nerves

Question 13

What system is involuntary and what are the two parts of it?

Answer 13

autonomic nervous system (think AUTOnomic is AUTOmatic). Sympathetic and parasympathetic nervous system.

Question 14

What system is voluntary?

Answer 14

somatic nervous system (think muscle contraction)

Question 15

What is the basic cell of the nervous system?

Answer 15

neuron

Question 16

What are the components of the brain?

Answer 16

lobes, grey matter, and meninges

Question 17

What is the function of the cerebellum?

Answer 17

posture and balance

Question 18

Where does the spinal cord end?

Answer 18

L2

Question 19

What is the end of the spinal cord called?

Answer 19

cauda equina (means horse tail because the nerves look like this at this level)

Question 20

What is the liquid that helps to lubricate the CNS?

Answer 20

cerebro-spinal fluid

Question 21

How many cranial nerves are there?

Answer 21

12

Question 22

What is the V cranial nerve?

Answer 22

trigeminal

Question 23

What is the VII cranial nerve?

Answer 23

facial

Question 24

What is the X cranial nerve?

Answer 24

vagus

Question 25

What is the XI cranial nerve?

Answer 25

spinal accessory

Question 26

What are spinal nerves responsible for?

Answer 26

dermatomes and reflexes

Question 27

What is the purpose of dermatomes?

Answer 27

allows evaluation of specific sensory nerves

Question 28

What are reflexes for?

Answer 28

Allows for evaluation of specific motor nerves at specific spinal cord levels

Question 29

What are 4 common reflexes?

Answer 29

bicep, tricep, patellar, achilles

Question 30

What is the purpose of the sympathetic nervous system?

Answer 30

fight or flight response (think adrenalin)

Question 31

What is the purpose of the parasympathetic nervous system?

Answer 31

Rest and digest

Question 32

What are the effects of the sympathetic nervous system?

Answer 32

• increased heart rate
• slows digestion
• raises blood pressure
• dilates pupils
• slows peristalsis (movement of food through the intestines)

Question 33

Where are the sympathetic nerves located?

Answer 33

Primarily T1-T12

Question 34

What are the effects of the parasympathetic nervous system?

Answer 34

• slows heart rate
• speeds digestion
• lowers blood pressure
• constricts pupils
• facilitates elimination
• contracts bladder
• ciliospinal reflex

Question 35

What nerves are associated with the parasympathetic nervous system?

Answer 35

primarily cranial nerve X (vagus) and sacral nerves S2-S4

Question 36

What is homeostasis of the nervous system?

Answer 36

balance between the sympathetic and parasympathetic nervous systems

Question 37

What do subluxations interfere with?

Answer 37

balance and function

Question 38

Where is the ulnar nerve?

Answer 38

Pinky side, “funny bone” nerve

Question 39

Where is the median nerve?

Answer 39

in the carpal tunnel, thumb side

Question 40

What is the sciatic nerve?

Answer 40

longest nerve in the body, symptoms in the hip back of thigh and lower leg. Foot drop

Question 41

What are pathologies of the nervous system?

Answer 41

meningitis, multiple sclerosis, disc herniation, disc degeneration, subluxation