What Happens When Action Potentials Stimulate a Muscle at a Rate

question 24

Multiple Choice

What happens when action potentials stimulate a muscle at a rate that does NOT allow relaxation between individual action potentials?

• A)The strength of contraction decreases with subsequent stimuli.
• B)The strength of contraction increases with subsequent stimuli and reaches a steady plateau.
• C)The strength of contraction does not change.
• D)More motor units are recruited.

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