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20 Cards in this Set
- Front
- Back
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The skeletal system performs all of the following functions except
A. protects the viscera. B. produces the blood. C. removes toxins from the blood. D. stores and releases minerals. E. produces Vitamin C. |
E. produces Vitamin C.
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The term "bone" refers to
A. osteocytes and osteoblasts. B. only osseous tissue. C. nothing except organs such as the humerus and femur. D. osteocytes, osteoblasts, and osteoclasts. E. osseous tissue and organs such as the humerus and femu |
B. only osseous tissue.
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Hemopoiesis typically occurs in
A. the epiphyseal plate. B. the articular cartilage. C. the red bone marrow. D. the yellow bone marrow. E. the gelatinous bone marrow. |
C. the red bone marrow.
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______ is always surrounded by _____.
A. Compact bone; cartilage B. Compact bone; spongy bone C. Spongy bone; compact bone D. A diaphysis; an epiphysis. E. Spongy bone; a medullary cavity. |
C. Spongy bone; compact bone
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A/an _____ covers most parts of a bone except for its articular cartilage.
A. epiphyseal plate B. tendon C. diploe D. epicondyle E. periosteum |
E. periosteum
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If a child has a vitamin D deficiency, what condition is likely to result?
A. osteoporosis B. achondroplastic dwarfism C. rickets D. osteogenesis imperfecta E. osteitis deformans |
C. rickets
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What is the role of Vitamin C in bone growth?
A. It is necessary for the absorption of calcium by the digestive system. B. It stimulates osteoblast activity. C. It promotes the cross-linking of collagen molecules in bone. D. It promotes synthesis of the glycosaminoglycans (GAGs) of the bone matrix. E. It promotes proliferation of cartilage at the epiphyseal plates |
C. It promotes the cross-linking of collagen molecules in bone.
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Most bones develop from
A. hyaline cartilage. B. osseous tissue. C. bone marrow. D. endoderm. E. fibrocartilage. |
A. hyaline cartilage.
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The cells primarily responsible for the breakdown of bone are
A. C cells. B. osteoprogenitor cells. C. haversian cells. D. osteoblasts. E. osteoclasts |
E. osteoclasts
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The protein fibers of the bone matrix are composed of
A. collagen. B. elastin. C. keratin. D. fibrin. E. ostein |
A. collagen.
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In the development of the skeleton, what typically occurs between the ages of 18 to 21?
A. Bone remodeling ceases. B. Red marrow turns to yellow marrow. C. Appositional growth ceases. D. Mineral deposition ceases. E. The epiphyseal plates fuse |
E. The epiphyseal plates fuse
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Red bone marrow is responsible for which of the following functions?
A. bone deposition B. hemopoiesis C. storage of minerals such as calcium D. endochondral ossification E. storage of energy |
B. hemopoiesis
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The main reason osteoporosis is most common in elderly women is their lack of
A. estrogen. B. osteoclast activity. C. parathyroid hormone. D. dietary calcium. E. vigorous exercise. |
B. osteoclast activity.
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What is found in the central canal?
A. blood vessels B. osteoclasts C. osteocytes D. primarily hydroxyapatite E. primarily collagen |
A. blood vessels
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In the limbs, most bones are
A. short bones. B. flat bones. C. irregular bones. D. long bones. E. wide bones |
D. long bones.
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Which movement is limited to the forearm?
A. pronation B. elevation C. dorsiflexion D. abduction E. circumduction |
A. pronation
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The rotator cuff includes tendons of all of the following muscles except
A. the subscapularis. B. the biceps brachii. C. the infraspinatus. D. the teres minor. E. the supraspinatus |
B. the biceps brachii.
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Football tackles usually entail contact from the lateral side of the knee. What is (are) the most likely injury(ies) that would result?
A. a torn lateral meniscus B. tears of the posterior cruciate ligament and fibular collateral ligament C. tears of the medial meniscus and anterior cruciate ligament D. a torn patellar ligament E. a torn anular ligamen |
C. tears of the medial meniscus and anterior cruciate ligament
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If you hug yourself to keep warm, the shoulders are
A. pronated. B. protracted. C. supinated. D. retracted. E. extended. |
B. protracted.
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What action occurs at the ankle joint when a person stands on tiptoes to reach for something on a high shelf?
A. eversion B. abduction C. opposition D. dorsiflexion E. plantar flexion |
E. plantar flexion
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