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Human Biology, 7/e
Dr. Sylvia S. Mader
Muscular System
True/False
Please answer all questions
1
Muscle contraction requires a ready supply of ATP. (p. 226)
A)
True
B)
False
2
Muscles are covered with several layers of connective tissue called fascia. (p. 227)
A)
True
B)
False
3
Sarcomeres are the structural units of a myofibril. (p. 227)
A)
True
B)
False
4
The contractile elements of muscle fibers are called action potentials. (p. 231)
A)
True
B)
False
5
The region where a synaptic bulb lies in close proximity to the sarcolemma of a muscle fiber is called a neuromuscular junction. (p. 232)
A)
True
B)
False
6
Fast-twitch fibers tend to be aerobic. (p. 237)
A)
True
B)
False
2002 McGraw-Hill Higher Education
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