SA-Action Potential

Question 1

resting membrane potential for muscles

Answer 1

-85-90mv

Question 2

resting membrane potential for for neurons

Answer 2

-65-70mv

Question 3

resting membrane potential is ____ inside and ____ outside

Answer 3

negative-inside

positive-outside

Question 4

depolarization is when cell lets ____ leak inside and depolarize it

Answer 4

NA+

Question 5

What create the negative charge inside cells?

Answer 5

large proteins

Question 6

what causes the positive charge outside cells?

Answer 6

sodium

Question 7

What happens during the ascending limb?

Answer 7

Na+leaking inside cells toward sodium equilibrium

Question 8

tract for slow pain

Answer 8

spinothalamic

Question 9

dorsal column receptors

Answer 9

pacinion
ruffini
meissners/merkels
spinothalamic
free naked endings

Question 10

vibration is felt by

Answer 10

pacinion

Question 11

joint position sense

Answer 11

ruffini

Question 12

accurate touch

Answer 12

Meissners/Merkels

Question 13

Pain, Temperature, crude touch

Answer 13

Naked endings

Question 14

reaching threshold is synonymous with

Answer 14

all or nothing principle

Question 15

descending limb

Answer 15

potassium out of cell aka repolarization

Question 16

subnormal period is when nerves are harder to fire because they are

Answer 16

hyperpolarized

Question 17

sodium/potassium pump kicks ___Na out of cell and ___ K inside cell

Answer 17

3

2

Question 18

minimum current for AP

Answer 18

Rheobase

Question 19

Chronaxie

Answer 19

time using 2x rehabs for AP

Question 20

Cl- rushes in, may also open K+ channels more to leak out K+

Answer 20

inhibitory post synaptic potential

Question 21

Glycine is the _____ neurotransmitter of the spine

Answer 21

inhibitory

when in brain-GABA

Question 22

Pain and temperature

Answer 22

Ventral Spinothalamic

Question 23

Crude Touch

Answer 23

Lateral Spinothalamic