Multiple Choice
Identify the
letter of the choice that best completes the statement or answers the question.
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1.
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Blood, bone, and cartilage are examples of a. | three different
tissue types found in the body. | b. | connective tissue. | c. | epithelial
tissue. | d. | organs of the body. | | |
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2.
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Connective tissue includes a. | tendons. | c. | fat. | b. | blood. | d. | All of the above | | | | |
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3.
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Smooth muscle a. | can change the diameter of blood
vessels. | b. | moves food through the digestive
tract. | c. | is not under conscious control. | d. | All of the
above | | |
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4.
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Which
of the following would likely occur if endothermy were disrupted? a. | Body temperature
could not be maintained. | b. | Strenuous physical activity would be
difficult. | c. | Enzymes would be inactivated. | d. | All of the
above | | |
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5.
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The
heart and lungs are protected by the a. | pectoral girdle. | c. | rib cage. | b. | pelvic
girdle. | d. | periosteum. | | | | |
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6.
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Refer
to the illustration above. The material labeled A, which fills the center and spaces at ends and
produces blood cells, is known as a. | exocrine material. | c. | bone marrow. | b. | cartilage. | d. | spongy
bone. | | | | |
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7.
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Refer
to the illustration above. The structure labeled C is a a. | nerve. | c. | muscle. | b. | blood vessel. | d. | ligament. | | | | |
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8.
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sarcomere contractions : ATP :: a. | Z lines : actin and myosin | b. | actin and myosin
: sarcomeres | c. | muscle forces : number of Z lines | d. | muscle movement
: muscle fibers contracting | | |
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9.
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Aerobic activities a. | are best for increasing muscle size and
strength. | b. | produce ATP more efficiently than
glycolysis. | c. | use up glycogen stores quickly. | d. | prevent myosin
and actin linkages in muscles. | | |
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10.
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It
has been known for a long time that muscle contraction requires ATP. Scientists have discovered that
ATP is required to release the attachments between actin and myosin in the many cycles of attachment,
release, and reattachment that result in sliding of these filaments past each other. Which of the
following phenomena is explained by this specific role of ATP? a. | muscle
fatigue | b. | stiffening of a body after death (rigor
mortis) | c. | opposing pairs of muscles functioning as flexors and
extensors | d. | muscle sprain | | |
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