Questions: Match the type of signal to its description. A. graded potential B. action potential C. both size increases if stimulus strength increases

Match the type of signal to its description. A. graded potential B. action potential C. both size increases if stimulus strength increases
Transcript text: Match the type of signal to its description. A. graded potential B. action potential C. both size increases if stimulus strength increases
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Solution

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The answer is A: graded potential.

Explanation:

  • Graded potential: The size of a graded potential increases if the stimulus strength increases. This is because graded potentials are proportional to the strength of the stimulus; they can vary in magnitude.
  • Action potential: The size of an action potential does not increase with stimulus strength. Action potentials follow an all-or-none principle, meaning that once the threshold is reached, the action potential will always have the same magnitude regardless of the strength of the stimulus.
  • Both: This option is incorrect because only graded potentials, not action potentials, vary in size with the strength of the stimulus.

Summary: The type of signal where the size increases if stimulus strength increases is a graded potential.

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