Multiple Choice
The heart has to be able to regulate its contractions. Heart muscle, unlike skeletal muscle, cannot go into a tetanus. This is because
A) the heart muscle has to be able to consistently contract and pump blood in a controlled fashion.
B) heart muscle is not resistant to fatigue.
C) heart muscle contracts faster than skeletal muscle.
D) heart muscle cannot use glycogen.
E) the heart uses aerobic metabolism.
Correct Answer:

Verified
Correct Answer:
Verified
Q58: Tropomyosin strands are held in position by
Q59: Which of the following occurs when tension
Q60: Why do individual muscle twitches have to
Q61: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB7571/.jpg" alt=" Figure 7-1 Structural
Q62: Which statement regarding isometric contractions is true?<br>A)
Q64: The muscle that would be used to
Q65: Muscle cells<br>A) actively lengthen.<br>B) generate compression.<br>C) possess
Q66: Muscle fascicles are separated by<br>A) endomysium.<br>B) perimysium.<br>C)
Q67: Which of the following occurs when glycolysis
Q68: The muscle that originates from the superior