Exploring Neuron Action Potentials and Graded Potentials
Interactive Video
•
Biology
•
6th - 10th Grade
•
Practice Problem
•
Medium
Aiden Montgomery
Used 2+ times
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary function of an action potential in neurons?
To produce hormones
To digest food
To transmit information
To store energy
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which ions are primarily involved in establishing the resting potential of a neuron?
Hydrogen and oxygen
Calcium and magnesium
Chloride and bicarbonate
Sodium and potassium
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the typical resting potential of a human neuron?
0 millivolts
70 millivolts
-70 millivolts
-30 millivolts
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What role does the sodium-potassium pump play in maintaining the resting potential?
It pumps sodium into the cell and potassium out
It pumps potassium into the cell and sodium out
It pumps both sodium and potassium into the cell
It pumps both sodium and potassium out of the cell
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
At what voltage do sodium voltage-gated channels open during an action potential?
30 millivolts
-70 millivolts
-55 millivolts
0 millivolts
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to the voltage of a neuron when sodium ions rush into the cell during an action potential?
It fluctuates randomly
It becomes more negative
It remains the same
It becomes more positive
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does myelination affect the speed of action potential propagation?
It slows it down
It stops it completely
It has no effect
It speeds it up
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