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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The
periosteum is the tough exterior membrane that surrounds bones and that contains a. | blood
vessels. | c. | spongy
bone. | b. | osteocytes. | d. | red bone marrow. | | | | |
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2.
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Refer
to the illustration above. The compact bone is labeled
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3.
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Osteocytes trapped within the spaces in the bone surrounding them a. | are called
marrow cells. | b. | are provided with food and oxygen by Haversian
canals. | c. | receive nutrients directly from the cells of the surrounding
cartilage. | d. | eventually become osteoblasts as the bone
matures. | | |
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4.
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Refer
to the illustration above. The elbow is a hinge joint that allows your hand to turn over. It is shown
in figure
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5.
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The
total amount of force that a muscle can exert a. | is determined by the strength of the nerve impulse that caused
the contraction. | b. | depends on the total number of individual muscle fibers that
have been stimulated. | c. | is dependent upon the weight of the object being
moved. | d. | correlates to the number of Z lines contained within the
sarcomeres of the muscle. | | |
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6.
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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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7.
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If
you want to increase your cardiovascular endurance, the best type of exercise is a. | anaerobic. | c. | resistance. | b. | aerobic. | d. | None of the above | | | | |
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8.
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The
skin performs all of the following except a. | protection. | c. | control of body temperature | b. | sensation of
heat. | d. | production of
gametes. | | | | |
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9.
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Refer
to the illustration above. Which of the structures are composed mainly of dead
cells? a. | structures A and
F | b. | structures B and
H | c. | structures C and
D | d. | Skin is a living
organ that does not have any dead cells. | | |
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10.
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The
most dangerous skin cancers are called a. | malignant keratomas. | c. | third-degree sunburn. | b. | malignant
melanomas. | d. | acne. | | | | |
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