Please answer all questions. The numbers at the end of each question refer to the textbook page where the question topic is discussed.
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1 | |
There are fewer bones in an infant than there are in an adult. (132) |
| | A) | True |
| | B) | False |
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2 | |
Only a few people have sesamoid bones. (132) |
| | A) | True |
| | B) | False |
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3 | |
The hyoid bone is a sutural bone found in all people. (132) |
| | A) | True |
| | B) | False |
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4 | |
The pectoral girdle is not a complete girdle because it lacks an anterior attachment. (134) |
| | A) | True |
| | B) | False |
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5 | |
Bone marrow is responsible for hemopoiesis in the infant. (134) |
| | A) | True |
| | B) | False |
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6 | |
The inorganic components of calcium and phosphorous give strength to bone. (135) |
| | A) | True |
| | B) | False |
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7 | |
Living bone is inert material that is hard and dry. (134) |
| | A) | True |
| | B) | False |
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8 | |
The skeletal system supports and protects several of the other body systems. (134) |
| | A) | True |
| | B) | False |
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9 | |
Diploe is a layer of spongy bone between the hard outer and inner bone layers of the cranium. (136) |
| | A) | True |
| | B) | False |
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10 | |
The periosteum is responsible for the diametric growth of the bone. (137) |
| | A) | True |
| | B) | False |
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11 | |
An epicondyle is a major articulating surface. (136) |
| | A) | True |
| | B) | False |
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12 | |
Trabeculae are spikes of bone tissue that give strength to compact bone. (138) |
| | A) | True |
| | B) | False |
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13 | |
Osteocytes are mature bone cells that maintain bone tissue by secreting enzymes and influencing bone mineral content. (138) |
| | A) | True |
| | B) | False |
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14 | |
Nutrients reach the osteocytes within lacunae by passing through canaliculi. (139) |
| | A) | True |
| | B) | False |
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15 | |
The nutrient vessels of bone tissue pass through both perforating canals and central canals. (139) |
| | A) | True |
| | B) | False |
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16 | |
Most bones develop first as a cartilaginous model, and then the cartilage tissue is gradually replaced by bone. (140) |
| | A) | True |
| | B) | False |
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17 | |
Once a bone is formed through the process of ossification, its shape and the size of its processes are fixed for life and are not subject to change. (143) |
| | A) | True |
| | B) | False |
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18 | |
Linear bone growth (length) is accomplished at the epiphyseal plates. (143) |
| | A) | True |
| | B) | False |
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19 | |
Osteoclasts secrete osteoid at the primary ossification center. (142) |
| | A) | True |
| | B) | False |
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20 | |
The periosteal bud, consisting of osteoblasts and blood vessels, is important in the development of the primary ossification center. (142) |
| | A) | True |
| | B) | False |
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21 | |
The cranial cavity is the only cavity in the skull. (144) |
| | A) | True |
| | B) | False |
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22 | |
The foramen magnum is the large hole in the cranium through which the spinal cord passes. (151) |
| | A) | True |
| | B) | False |
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23 | |
The frontal, sphenoid, ethmoid, and occipital bones are the only unpaired bones of the skull. (154) |
| | A) | True |
| | B) | False |
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24 | |
There are more facial bones than there are cranial bones. (145) |
| | A) | True |
| | B) | False |
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25 | |
The lower jaw is not considered to be one of the cranial or facial bones. (154) |
| | A) | True |
| | B) | False |
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26 | |
The cervical and lumbar curves are called primary curves because they retain the shape of the fetus. (159) |
| | A) | True |
| | B) | False |
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27 | |
There are more fused vertebrae than there are unfused vertebrae. (159) |
| | A) | True |
| | B) | False |
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28 | |
The cervical vertebrae are the smallest vertebrae. (160) |
| | A) | True |
| | B) | False |
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29 | |
The coccyx can be formed from either four or five vertebrae. (159) |
| | A) | True |
| | B) | False |
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30 | |
Some of the ribs are important in the production of blood cells. (164) |
| | A) | True |
| | B) | False |
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31 | |
Since they are composed of cartilage, ribs 8, 9, and 10 are called false ribs. (165) |
| | A) | True |
| | B) | False |
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32 | |
Ossification lasts from the fourth week of prenatal development to age 25 or 30. (143) |
| | A) | True |
| | B) | False |
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33 | |
Both rickets and osteomalacia are bone disorders caused by insufficient vitamin D. (166) |
| | A) | True |
| | B) | False |
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34 | |
An osteoma is a benign bone tumor. (167) |
| | A) | True |
| | B) | False |
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35 | |
The hyoid bone is not a part of the axial skeleton. (132) |
| | A) | True |
| | B) | False |
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36 | |
Osteoblasts are bone-forming cells that synthesize and secrete unmineralized ground substance. (138) |
| | A) | True |
| | B) | False |
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37 | |
The central canal contains nutrient vessels, but does not contain any nerves. (140) |
| | A) | True |
| | B) | False |
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38 | |
There are four histological zones within an epiphyseal plate. (142) |
| | A) | True |
| | B) | False |
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39 | |
If the two palatine processes fail to join during early prenatal development, a cleft lip results. (155) |
| | A) | True |
| | B) | False |
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40 | |
The vertebral column is composed of 33 movable vertebrae. (159) |
| | A) | True |
| | B) | False |
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2002 McGraw-Hill Higher Education