Help with Action Potential Physiology

Practice Questions

Human Anatomy and Physiology › Help with Action Potential Physiology

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1

What are the two gates of the voltage-gated channels along the axonal plasma membrane?

2

A stimulus applied to a neuronal membrane that causes its potential to become more positive is __________. A stimulus that moves the potential closer to 0 is __________.

3

Which of the following are in the correct order regarding action potentials?

4

Which type of signal is transmitted along a neuron?

5

The junction between the transmitting and receiving neuron is called a(n) __________.

6

Which part of the neuron generates the action potential?

7

When the neuron becomes depolarized, which of the following events takes place?

8

The presence of __________ dramatically increases the speed at which an action potential moves along an axon.

9

Which of the following describes the influx of ions into the neuron?

10

Which of the following is responsible for opening sodium channels in the plasma membrane of the receiving neuron, leading to an action potential or more excitable neuron?

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