Action Potentials

Action Potentials

University

7 Qs

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Action Potentials

Action Potentials

Assessment

Quiz

University

Medium

Created by

Lara Allen

Used 55+ times

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7 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

An Action Potential involves the movement of

Positive electrons

Negative electrons

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

There is a charge of -70 mv _________ the neuron when at rest

Inside

Outside

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Depoloarization Occurs as ________ moves into the cell

Cl-

K+

Na+

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Repolarization occurs as a result of

Na+ moves out of the cell

The sodium-potassium pump

K+ moves out of the cell

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Action Potentials can only move in 1 direction because of the refractory period

True

False

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Voltage gated Na+ channels open and an Action Potential occurs when

Na+/K+ pump brings in Na+

enough + charges enter the neuron to bring it to threshold (-55mv)

any Na+ enters the neuron

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Repolarization _______ the voltage inside the cell

Increases

Decreases