
Mastering Action Potentials and Neural Communication in Neuroscience

Interactive Video
•
Biology, Science, Physics
•
9th - 12th Grade
•
Hard

Patricia Brown
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary role of action potentials in the nervous system?
To digest nutrients
To transmit electrical impulses
To produce hormones
To store energy
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which ions are primarily involved in creating the resting membrane potential of a neuron?
Calcium and chloride
Sodium and potassium
Iron and zinc
Magnesium and phosphate
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the function of the sodium-potassium pump in neurons?
To generate action potentials
To synthesize proteins
To maintain ion concentration gradients
To break down neurotransmitters
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens during depolarization of a neuron?
The neuron stops functioning
The neuron releases neurotransmitters
The membrane potential becomes less negative
The membrane potential becomes more negative
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What triggers the opening of voltage-gated sodium channels during an action potential?
A change in membrane potential
The presence of calcium ions
A decrease in temperature
The binding of a hormone
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does myelin affect the propagation of action potentials?
It slows down the action potential
It reverses the action potential
It speeds up the action potential
It stops the action potential
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the role of nodes of Ranvier in action potential propagation?
They store neurotransmitters
They regenerate action potentials
They produce myelin
They break down ions
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