Initiation And Conduction Of Nerve Imluse Flashcards

1
Q

Sympathetic division

A

Part of atonomic nervous system

Mobilizes body during emergancy situations

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Magnitude of nerve impulse is same irrespective of stregnth of stimulus

A

Velocity of nerve impulse is directly proportional to diameter of neuron

This velocity is affected by physical and chemical factors

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Depolarisation

A

Na+ influx

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Repolarisation

A

K+ efflux

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Conduction of nerve impulse is

A

Unidirectional

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Resting phase

A

Phase of polarisation
+ve charge outside Na+

-ve charge inside K+, -vely charged proteins

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

RMP

A

—70 mV

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Na+ , K+ active pump

A

2K+ inside
3Na+ outside

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

There can be small or large stimuli but there is nothing like small or large impulses

A

True

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

There can be small or large impulses but there is nothing like small or large stimulus

A

False

How well did you know this?
1
Not at all
2
3
4
5
Perfectly