AP 150
Review Guide - THE MUSCULAR SYSTEM
1. Which property of muscle is described by:
a. its ability to return to original resting length
b. its ability to shorten when stimulated
c. its ability to respond to stimuli
d. its ability to be stretched
2. Which of the types of muscle is described by each of the following:
a. attaches to bone
b. forms the walls of hollow organs
c. its cells are striated, cylindrical, and branched
d. its cells are nonstriated, and spindle-shaped (pointed at each end)
e. voluntary in action
f. moves body parts such as the limbs
g. intercalated discs are found in these
h. its cells are multinucleated
i. under involuntary control
j. regulates the size of the viscera
k. also known as visceral muscle
l. some are known as single-unit or multi-unit muscle
3. Another name for the deep fascia of a muscle is
4. Another name for a 'bundle' of muscle fibers is
5. The connective tissue covering this 'bundle' of fibers is the
6. The connective tissue covering that surrounds individual muscle fibers
7. Another name for the cytoplasm of a muscle fiber
8. Another name for the cell membrane of a muscle fiber
9. The "functional unit" of a muscle fiber
10. Another name for the thin filaments
11. Zigzag line forming the boundary of a sarcomere
12. An area that extends from either side of Z-line to the ends of the myosin filaments
13. Area of a sarcomere composed of only myosin myofilaments
14. Area of a sarcomere extending the entire length of myosin myofilaments
15. Another name for the thick filaments
16. The small globular units that combine to form a polymer of actin
17. The molecule that covers the myosin-binding sites on the F-actin
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