Action Potential

Regarding factors affecting the conduction velocity/ speed of action potential propagation:

• TRUE

• FALSE

The muscle cell is an example of an excitable cell.

• TRUE

• FALSE

Action potentials run along the ______ from ______ to ________.

• axon, dendrites, axon terminals

• axon, axon terminals, dendrites

• dendrites, axon, axon terminals

• axon terminals, axon, dendrites

An action potential is the same as a(n) ________.

As the impulse travels through a neuron, the inside of the neuron becomes positive.

• True

• False

An action potential takes about ______

• 1 second

• 1/1,000th of a second

• 1/2 a second

• 1/10th of a second

An action potential is __________ in nature, with the inside of the neuron being more ________.

• chemical, negative

• electrical, negative

• chemical, positive

• electrical, positive

This shows the _________ undergoing a ___________

• axon, reversal in direction

• dendrite, reversal in direction

• axon, reversal in charge

• dendrite, reversal in charge

Action potentials happen within WHICH body system?

• cardiovascular

• nervous

• immune

• endocrine

Which is true MOST of the time?

• Na is INSIDE and K is OUTSIDE the axon

• Na AND K are BOTH OUTSIDE the axon

• Na is OUTSIDE and K is INSIDE the axon

• Na AND K are BOTH INSIDE the axon

Tags

NGSS.HS-LS1-3