An Action Potential Does Not Restimulate the Adjacent Membrane That

question 97

Multiple Choice

An action potential does not restimulate the adjacent membrane that was previously depolarized because

• A)Stimulation is inhibited by the myelin sheath
• B)It is impossible for an action potential to be propagated along an axon toward the nerve cell body
• C)The resting membrane potential of the axon is too high
• D)The resting membrane potential of the axon is too low
• E)This area of membrane is absolutely refractory to depolarization

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Definitions:

Immunoglobins

Proteins produced by the immune system to identify and neutralize foreign objects such as bacteria and viruses.

Allergic Reactions

Immune system responses to a normally harmless substance, ranging from mild symptoms like itching or sneezing to severe conditions like anaphylaxis.

IgE

refers to Immunoglobulin E, a class of antibodies associated with allergic reactions.

IgA

An antibody known as Immunoglobulin A is essential for the protective functions within mucous membranes.