GENERAL HISTOLOGY

NERVOUS SYSTEM SPECIAL SENSE

PERIPHERAL NERVE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of the following best describes action potentials?
A
The movement of negatively charged ions into the neuron cell after a stimulus of any size.
B
Electrical impulses produced by the body that are stronger when the stimulus is bigger.
C
Uniform in strength and speed but frequency varies depending on the stimulus.
D
This is how you feel in the morning based on your energy level of what you “potentially” can do during the day.
Explanation: 

Detailed explanation-1: -If a stimulus is strong enough, an action potential occurs and a neuron sends information down an axon away from the cell body and toward the synapse. Changes in cell polarization result in the signal being propagated down the length of the axon. The action potential is always a full response.

Detailed explanation-2: -Answer and Explanation: The correct answer is c. An action potential, once started, cannot be stopped or negated.

There is 1 question to complete.