Which of the following is composed of myosin protein?

Select one:

a. thick filaments

b. thin filaments

c. Z discs

d. all myofilaments

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This inherited degenerative disease of the muscular system iswhere the muscles weaken and atrophy and become replaced with fattytissue.

Select one:

a. a strain

b. muscular dystrophy

c. tendenosis

d. fibromyalgia

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This chronic, non-progressive condition of pain in the muscles,tendons, and ligaments is called _______________.

Select one:

a. a strain

b. epicondylitis

c. fibromyalgia

d. repetitive motion disorder

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Blood is pumped through the heart by which type of muscle?

Select one:

a. skeletal

b. smooth

c. cardiac

d. visceral

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What is an example of a repetitive motion disorder?

Select one:

a. fibromyalgia

b. muscular dystrophy

c. multiple sclerosis

d. carpal tunnel syndrome

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Which of the following statements is not true?

Select one:

a. When infants are born, their muscular tissue is almostcompletely formed.

b. As the size of the fibers increase throughout growth,strength improves.

c. Growth of muscles in preschool years is relatively fastcompared to the growth of infants and teens.

d. During adolescence, large muscles develop faster than smallmuscles, often resulting in decreased coordination.

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An important contribution to the homeostasis of the body by themuscular system is _______________.

Select one:

a. the ability of muscle to produce calcium for use by thebones

b. the ability of muscle tissue to insulate the body

c. the function of smooth muscle in moving the limbs andmaintaining posture

d. the function of cardiac muscle to maintain a consistent heartbeat

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While doing jumping jacks during an exercise class, your armsand legs move laterally away from the midline of your body. Thismotion is called _______________.

Select one:

a. extension

b. flexion

c. abduction

d. adduction

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Skeletal muscle produces body movement as well as maintains our_____as we sit.

Select one:

a. strength

b. vasodilation

c. vasoconstriction

d. posture

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Which of the following is not a function of the muscular systemthat helps the body maintain homeostasis?

Select one:

a. homatopoiesis

b. production of movement

c. stabilization of joints

d. generation of heat