Action Potential Quiz

Action Potential Quiz

University

10 Qs

quiz-placeholder

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Action Potential Quiz

Action Potential Quiz

Assessment

Quiz

Science

University

Easy

Created by

James Mancinelli

Used 5+ times

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the nature of an action potential?

It is a graded event.

It is an all-or-nothing event.

It is a reversible event.

It is a slow event.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What primarily causes the inside of a neuron to be negatively charged at resting membrane potential?

Presence of positively charged ions inside

Presence of negatively charged ions outside

Presence of negatively charged ions inside

Absence of ions inside

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What must a neuron receive to initiate an action potential?

A weak stimulus

A threshold stimulus

A random stimulus

A continuous stimulus

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens when the threshold stimulus is reached in a neuron?

Sodium channels close

Potassium channels open

Voltage-gated sodium channels open

Calcium channels open

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What phase is characterized by the rapid influx of sodium ions into the neuron?

Repolarization

Depolarization

Refractory period

Propagation

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What occurs during the repolarization phase of an action potential?

Sodium ions flow into the cell

Potassium ions flow out of the cell

Calcium ions flow into the cell

Chloride ions flow out of the cell

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the refractory period?

The period when the neuron can generate another action potential immediately

The period when the neuron cannot generate another action potential

The period when the neuron is at rest

The period when the neuron is hyperactive

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