Action Potential

Question 1

Depolarize and Repolarize Actions

Answer 1

Action Potential

Question 2

Concepts involved in Action Potential

Answer 2

1 Neuron
2 Protein
3 Na+ & K+
4 Stimuli
5 Voltage

Question 3

In order to receive stimuli there should be?

Answer 3

Receptors

Question 4

2 properties of AP?

Answer 4

Irritability
Conductivity

(should be present in Action Potential)

Question 5

means to disseminate, propagate, distribute and conduct

Answer 5

Propagation

Question 6

can be visualized thru graph

Answer 6

flow of Ions

Question 7

it will not cause any energy

Answer 7

Passive Transport

Question 8

it will cause energy

Answer 8

Active Transport

Question 9

what ion is present in EXTRACELLULAR SPACE?

Answer 9

Na (Soduim) Major Extracellular Cation

Question 10

what ion is present in INTRACELLULARLY SPACE?

Answer 10

K (Potassium) Major Intracellular Cation

Question 11

normal value of Na?

Answer 11

135-145 mEq/L

Question 12

normal value of K?

Answer 12

3.5-5.5 mEq/L

Question 13

it is the polarized state with no stimulus

Answer 13

Resting Membrane Potential

Question 14

T or F

before magkaroon ng Action Potential kailangan ma meet muna yung Threshold

Answer 14

TRUE

Question 15

what is the responsible for negative charge in the cell?

Answer 15

Proteins

Question 16

T or F

2 neuron can be propagate to 4 neuron

Answer 16

False, 1 lang dapat

Question 17

T or F

1 neuron can be dissemenate to 3 neuron

Answer 17

False, 2 lang dapat

Question 18

Electricity and Chemicals in NS

Answer 18

Stimuli

Question 19

Voltage Gated Channels is activated

increase membrane permeability to Na 1000x

Answer 19

Depolarization

Question 20

increase membrane permeability to K 30x

Answer 20

Repolarization

Question 21

it happens when there is more negative kesa sa Resting Membrane Potential

one cannot stimulate it

pero gradually babalik din

Answer 21

Hyperpolarized

Question 22

in cases where it cannot stimulate

Answer 22

Refractory - matigas ulo pero it will refract gradually

Question 23

what is the direction of propagation?

Answer 23

—————> right di na pwedeng bumalik mag rerefract pag bumalik

Question 24

Action Potential where speed is fastest?

Answer 24

Myelinated 100m/s

unlike unmyelinated 0.5m/s

Question 25

what happens if muscles are activated?

Answer 25

it contracts or shorten

Question 26

what happens if glands are activated?

Answer 26

it secretes example if sweat gland is activated it will secrete SWEAT

Question 27

passive flow of ions molecules across the cell membrane

Answer 27

Diffusion

Question 28

Counterpart of Diffusion? flowback after entering needed kasi kailangan ng homeostasis palagi

Answer 28

Active Transport

Question 29

T or F voltage gated channels are always open for Na and K

Answer 29

False, open lang siya for certain phase

Question 30

ability to perceive stimuli

Answer 30

sense

Question 31

awareness of stimuli received by sensory neurons

Answer 31

sensation

Question 32

sensory nerve endings that responds to stimuli by developing AP

Answer 32

Sensory receptors

Question 33

receptors are distributed over large part of the body

Answer 33

General Senses

Question 34

T or F 2 types of General Senses are Somatic and Visceral

Answer 34

True Somatic ( about environment and body) Visceral ( about internal organs)

Question 35

receptors that are confined to a particular space

Answer 35

Special Senses

Question 36

T or F | visceral is a serous membrane

Answer 36

True

Question 37

5 types of Special Senses?

Answer 37

``` Sight Taste Smell Hearing Balance ```

Question 38

5 types of receptors

Answer 38

``` Mechanoreceptor Chemoreceptors Photoreceptor Thermoreceptor Nocicereceptor ```

Question 39

main receptor to detect light

Answer 39

Photoreceptor

Question 40

main receptor to detect pain

Answer 40

Nocicereceptor

Question 41

main receptor to detect chemicals and odorants

Answer 41

Chemoreceptor

Question 42

main receptor to detect temperature changes

Answer 42

Thermoreceptor

Question 43

main receptors to detect movement, touch, pressure, vibration

Answer 43

Mechanoreceptor

Question 44

5 types of touch receptors

Answer 44

``` Merkel's Disk Hair Follicle Receptor Meissner Corpuscle Ruffini Corpuscle Pacinian Corpuscle ```

Question 45

detects continuous pressure in skin and deep tactile receptor

Answer 45

ruffini corpuscle

Question 46

AKA deepest receptor detects deep pressure, vibration, position associated with tendons and joints

Answer 46

pacinian corpuscle

Question 47

detects light touch and pressure

Answer 47

merkel's disk

Question 48

detects light touch

Answer 48

Hair Follicle Receptor

Question 49

Deep in Epidermis can sense discriminative touch and localize tactile sensation kaya niya madistinguish kung saan yung magkaibang touch

Answer 49

Meisnner Corpuscle

Question 50

unpleasant perceptual and emotional experience

Answer 50

PAIN

Question 51

2 Types of Pain

Answer 51

Localized | Diffusion

Question 52

sharp pricking and cutting pain to a specific area only means Rapid AP

Answer 52

Localized Pain

Question 53

burning and aching pain means Slow AP to a larger are

Answer 53

Diffused Pain

Question 54

T or F | nerves in the pacinian is thicker than nerve fibers

Answer 54

True

Question 55

what do you call a non painful deep touch

Answer 55

nonesoseptic

Question 56

region that is not the source of pain this can be felt when internal organs are damaged or inflamed

Answer 56

Referred Pain

Question 57

sensory neurons from superficial are and neurons of source pain converge onto some ascending neurons of spinal cord

Answer 57

Referred Pain

Question 58

non painful input close the nerve "gates" to painful input

Answer 58

Gate Control Theory prevents pain sensation from travelling all the way to the CNS