6.5 Neurons and Synapses
Authored by Alison Peterson
Biology
11th - 12th Grade
NGSS covered
Used 473+ times
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16 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The nerve impulse is an electrical current that travels along dendrites or axons.
Tags
NGSS.HS-PS2-5
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When a cell is at rest, the inside is more _____ and the outside is more ______.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The operation of the sodium-potassium "pump" moves:
sodium & potassium ions into the cell
sodium & potassium ions out of the cell
sodium ions out of the cell & potassium ions into the cell
sodium ions into the cell & potassium ions out of the cell
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
After depolarization what happens to restore resting potential?
Sodium channels open & sodium ions diffuse out of the neuron.
Potassium channels open and potassium ions diffuse into the neuron.
Potassium channels open and potassium ions diffuse out of the neuron.
Sodium channels open and sodium ions diffuse into the neuron.
Tags
NGSS.HS-LS1-3
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What describes the phase of quick entry of sodium ions into an axon during an action potential?
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What generates a nerve impulse on the post-synaptic membrane?
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
For a neuron with a resting membrane potential at -70mv, an increase in the movement of sodium ions into the neuron's cytoplasm would result in:
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