Exam 9: Muscles and Muscle Tissue

Which muscle cells have the greatest ability to regenerate?

Exhaustion of glycogen storage within a muscle fiber would have the biggest effect on__________ .

Define muscle fatigue.

Which of the following statements best illustrates the fact that skeletal muscle is voluntary muscle?

The strongest muscle contractions are normally achieved by_________ .

In an isotonic contraction, the muscle _________.

What structure in skeletal muscle cells functions in calcium storage?

Smooth muscle is characterized by all of the following EXCEPT __________.

Muscle contraction will always promote movement of body parts regardless of how they are attached.

The thin filaments (actin) contain a polypeptide subunit G actin that bears active sites for myosin attachment.

Of the following muscle types, which has the longest muscle cells and has obvious stripes called striations?

When a sarcomere contracts and thin filaments move over thick filaments you would expect to see__________ .

Of the following items listed below, which is the best description for why skeletal muscle stores glycogen?

The mechanism of contraction in smooth muscle is different from skeletal muscle in that __________.

Sarcomeres are functional units of __________ muscle.

When a muscle fiber contracts, the I bands diminish in size, the H zones disappear, and the A bands do not diminish in length.

Which of the following is the correct order for the phases of a muscle twitch?

Describe two ways in which the lack of ATP production results in rigor mortis.

During vigorous exercise, there may be insufficient oxygen available to completely break down pyruvic acid for energy. As a result, the pyruvic acid is converted to_________ .

Troponin, a major protein in thin filaments, is a globular protein with three polypeptide subunits. Which of the following is NOT a function of the troponin?