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.
Correct Answer:
Verified
Correct Answer:
Verified
Q40: The neurotransmitter(s)secreted at the motor end plates
Q41: Which of the following terms describes an
Q42: Match each term with its corresponding definition
Q43: The smallest contractile unit of muscle is
Q44: Describe the physiological process of muscle contraction.
Q46: A contraction in which the tension within
Q47: The motor end plate makes up part
Q48: The myofibrils contain about how many sarcomeres?<br>A)
Q49: Match each term with its corresponding description
Q50: Which structure functions to temporarily store calcium