Select the Correct Statement About the Summation of Simple Twitches

question 56

Multiple Choice

Select the correct statement about the summation of simple twitches.

• A) They can occur because of the long duration of the action potential in a muscle fiber.
• B) They reduce the tension in a muscle.
• C) They result from the slow stimulation of a muscle fiber.
• D) The effect is unrelated to the refractory periods of action potentials.
• E) The twitches resulting from separate action potentials add together.

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