The Nervous System Crash Course Part 2 (Action Potential)

The Nervous System Crash Course Part 2 (Action Potential)

7th Grade

10 Qs

quiz-placeholder

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The Nervous System Crash Course Part 2 (Action Potential)

The Nervous System Crash Course Part 2 (Action Potential)

Assessment

Quiz

Science

7th Grade

Medium

NGSS
HS-LS1-3

Standards-aligned

Created by

Sarah Malec

Used 6+ times

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the basic unit of communication in the nervous system?

Neuron

Muscle cell

Blood cell

Axon

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the term used to describe the electrical impulse that neurons fire?

Resistance

Current

Voltage

Action potential

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What can neurons vary to communicate different messages?

Temperature of the impulse

Size of the neuron

Color of the signal

Frequency of pulses

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the resting membrane potential of a neuron?

+40 millivolts

-70 millivolts

0 millivolts

-55 millivolts

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What type of channels open at certain membrane potentials?

Voltage-gated channels

Thermally gated channels

Mechanically gated channels

Ligand-gated channels

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the role of the sodium-potassium pump?

Maintains the electrochemical gradient

Generates action potentials

Absorbs nutrients

Produces neurotransmitters

Tags

NGSS.HS-LS1-3

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens when a neuron's membrane potential reaches the threshold of -55 mV?

The neuron dies

The neuron divides

The neuron goes to sleep

An action potential is triggered

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