What Is Involved in the Process of Muscle Relaxation

question 193

Multiple Choice

What is involved in the process of muscle relaxation?

• A) Acetylcholinesterase promotes the concentration of acetylcholine to allow the muscle membrane to return to resting potential.
• B) Ca²⁺ is actively taken up by the lateral sacs of the sarcoplasmic reticulum when there is no longer a local action potential.
• C) The cross bridges from the thick filaments bind to the thin filaments and bend in such a way as to return the filaments to their original resting position.
• D) ATP is no longer available.

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