Multiple Choice
Which of the following ions is the trigger for a muscle contraction?
A) sodium
B) chloride
C) calcium
D) potassium
E) acetylcholine
Correct Answer:

Verified
Correct Answer:
Verified
Q15: Figure 9.2<br> <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB4856/.jpg" alt="Figure 9.2
Q16: Figure 9.3<br> <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB4856/.jpg" alt="Figure 9.3
Q17: Figure 9.3<br> <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB4856/.jpg" alt="Figure 9.3
Q18: A muscle that assists a prime mover
Q19: Most of the skeletal muscle fibers in
Q21: Figure 9.4<br> <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB4856/.jpg" alt="Figure 9.4
Q22: In the case of the triceps brachii,
Q23: Figure 9.3<br> <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB4856/.jpg" alt="Figure 9.3
Q24: The attachment of a muscle to a
Q25: Figure 9.3<br> <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB4856/.jpg" alt="Figure 9.3