Ion Concentration Differences Produce an Action Potential Creating a Signal

question 1

Multiple Choice

Ion concentration differences produce an action potential creating a signal.The difference between a weak signal and an intense signal is

• A)the action potential is graduated and a weak signal causes a small change in polarity.
• B)weak stimuli only open sodium gates,strong signal also open potassium gates.
• C)the frequency at which an axon fires.
• D)a strong signal does not allow repolarization but sends a constant flow of ions.
• E)All of the choices are correct.

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