The First Event to Occur in Muscle Relaxation Is

question 45

Multiple Choice

The first event to occur in muscle relaxation is:

• A) tropomyosin returns to its original position.
• B) myosin cross-bridges are prevented from binding to actin.
• C) the sarcoplasmic reticulum begins actively pumping calcium back into its sacs.
• D) acetylcholine is released.

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