Nervous System II

Question 1

muscles in front of the thigh?

Answer 1

quadriceps

Question 2

muscles in the back of the thigh?

Answer 2

hamstring

Question 3

what is the charge of resting membrane potential?

Answer 3

• 70 mV

Question 4

T or F

there are more Na leak channels than K leak channels

Answer 4

False

there are more K channels than Na

Question 5

T or F

resting stage:

leak channels are closed
voltage gates are open

Answer 5

False

during rmp

leak channels are only channels that is open
while, voltage gates are closed

Question 6

T or F

there are more K channels than Na Channels

Answer 6

true

Question 7

T or F

resting stage:

leak channels are open
voltage gates are closed

Answer 7

true

Question 8

what is the ratio of pumps does sodium potassium pump?

Answer 8

3:2

3 Na out, in exchange for
2 potassium in

Question 9

what is energy is used to activate the sodium potassium voltage gates?

Answer 9

ATP

adenosine triphosphate

Question 10

Na channels opens brieftly, and Na diffuses quikly into the cell

its is the current making the inside of the cell positive

Answer 10

Local Current

Question 11

situation when the inside of the cell becomes positive

Answer 11

Depolarization

Question 12

T or F

If depolarization is not strong enough, the Na+ channels close again, and the local potential disappears without being conducted along the nerve cell membrane.

Answer 12

True

Question 13

T or F

If depolarization is large enough, Na+ enters the cell so that the local potential
reaches a threshold value.

Answer 13

True

Question 14

charge of the action potential?

Answer 14

+20

Question 15

what is the cause of slow closing of voltage gated potassium

Answer 15

hyperpolarization

Question 16

, action potentials “jump” from one node of Ranvier to the

next along the length of the axon.

Answer 16

Saltatory Conduction

Question 17

how many nerves does Schwann cells coat or myelinates?

Answer 17

1 nerve only

Question 18

how many nerves does oligodendrocytes coat or myelinates?

Answer 18

as much as 16 nerves

Question 19

hormones released during fight or flight situation?

causes adrenalin rush too

Answer 19

epinephrine

Question 20

what are the inhibitory neurotransmitters?

Answer 20

Serotonin
GABA
Glycine
Endorphins

Question 21

what are the excitatory neurotransmitters?

Answer 21

norepinephrine

Question 22

what are the neuro transmitters that are either excitatory or inhibitory

Answer 22

Dopamine

Acetylcholine

Question 23

sensory receptors for deep tendon reflex

what detects the stretch in the muscle?

Answer 23

Muscle spindle

Question 24

lower motor injury will result to?

damage in PNS

Answer 24

Hyporeflexia

Question 25

damage in CNS will result to?

Answer 25

Hyperreflexia

Question 26

loss of reflex or the minimal reflex

Answer 26

Areflexia

Question 27

in the brain that is , action potentials “jump” from one node of Ranvier to the next along the length of the axon.

Answer 27

saltatory conduction

Question 28

part of the brain that is responsible for motor movement?

Answer 28

cerebullum

Question 29

movement is incoordinate

Answer 29

ataxia

Question 30

send impulses to cerebellum

Answer 30

muscle spindle

Question 31

this is defines the movement or position

Answer 31

proprioception

Question 32

clasping of hands locking the jaw

Answer 32

jendrrasic manuever

Question 33

T or F continuous taps to the tendon will result to delayed or decrease of reaction of reflex

Answer 33

true kasi napapagod din yung mga tendon