
Exploring the Nervous System: Action Potentials and Neuron Function

Interactive Video
•
Science
•
6th - 10th Grade
•
Medium
Standards-aligned

Ethan Morris
Used 3+ times
FREE Resource
Standards-aligned
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the only type of signal a neuron can send?
No signal at all
Multiple signals at once
A simple, uniform signal
A complex signal with varying strengths
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the body use to separate charges?
Membranes
Blood
Muscles
Bones
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the resting membrane potential of a neuron?
+40 millivolts
-55 millivolts
-70 millivolts
0 millivolts
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the role of the sodium-potassium pump?
To generate neurotransmitters
To create a gradient of charges across the membrane
To depolarize the neuron
To stop action potentials
Tags
NGSS.HS-LS1-3
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What triggers the opening of voltage-gated sodium channels?
A specific neurotransmitter
A decrease in membrane potential
Reaching a threshold membrane potential
Physical stretching of the membrane
Tags
NGSS.HS-PS2-5
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens during hyperpolarization?
The neuron becomes more negative inside than at resting state
The neuron's membrane potential reaches 0 mV
The neuron stops sending signals
The neuron becomes more positive inside
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What initiates the repolarization phase of an action potential?
The influx of sodium ions
The action of the sodium-potassium pump
Closing of voltage-gated sodium channels
Opening of voltage-gated potassium channels
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