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1 | |
Compact bone is composed of tubular units called _______. |
| | A) | cartilage |
| | B) | matrix fibers |
| | C) | osteons |
| | D) | calcium phosphate units |
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2 | |
The spaces in spongy bones are often filled with red bone marrow, which produces ________ cells. |
| | A) | bone |
| | B) | liver |
| | C) | cartilage |
| | D) | blood |
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3 | |
Cells which make up cartilage are called |
| | A) | osteoblasts |
| | B) | chondrocytes |
| | C) | lacunae |
| | D) | osteoclasts |
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4 | |
Cartilage that is firm but somewhat flexible, contains abundant collagen, and is found at the ends of long bones is _____________. |
| | A) | hyaline cartilage |
| | B) | fibrocartilage |
| | C) | elastic cartilage |
| | D) | ligamental cartilage |
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5 | |
The ___________ of a long bone is/are made mostly of spongy bone containing red bone marrow. |
| | A) | diaphysis |
| | B) | epiphyses |
| | C) | periosteum |
| | D) | endosteum |
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6 | |
A long bone is covered by a layer of fibrous connective tissue called the ______________ |
| | A) | osteon |
| | B) | periosteum |
| | C) | endosteum |
| | D) | medullary |
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7 | |
The process by which bones respond to stress by changing size, shape and strength is called |
| | A) | remodeling |
| | B) | intramembranous ossification |
| | C) | endochondrial ossification |
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8 | |
The function(s) of an osteoclast is (are) _______. |
| | A) | breakdown of bone |
| | B) | deposition of calcium in the blood |
| | C) | secretion of the organic matrix of bone |
| | D) | both A and B |
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9 | |
Bones formed by intramembranous ossification are ___________. |
| | A) | skull bones |
| | B) | long bones |
| | C) | round bones |
| | D) | All of these are correct. |
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10 | |
Most of the bones of the skeleton are ________ during prenatal development. |
| | A) | solid |
| | B) | cartilaginous |
| | C) | not present |
| | D) | compact |
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11 | |
During endochondral ossification, a band of cartilage called the __________ remains between the primary ossification center and each secondary center. |
| | A) | cartilage plate |
| | B) | bone collar |
| | C) | growth plate |
| | D) | medullary cavity |
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12 | |
The rate of bone growth is controlled by _______. |
| | A) | growth and sex hormones |
| | B) | number of mature osteocytes |
| | C) | osteons |
| | D) | All of these are correct. |
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13 | |
Bone recycling allows the body to regulate what substance in the blood? |
| | A) | potassium |
| | B) | hormones |
| | C) | vitamins |
| | D) | calcium |
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14 | |
These two hormones are involved in regulating the blood calcium level. |
| | A) | calcitonin and parathyroid |
| | B) | calcitonin and estrogen |
| | C) | parathyroid and growth hormone |
| | D) | parathyroid and estrogen |
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15 | |
Soon after a fracture, blood escapes from ruptured blood vessels and forms a _____________. |
| | A) | bony callus |
| | B) | fibrocartilaginous callus |
| | C) | hematoma |
| | D) | remodeled callus |
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16 | |
A(n) _____ fracture occurs if the bone is broken all the way through. |
| | A) | incomplete |
| | B) | partial |
| | C) | complete |
| | D) | semi |
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17 | |
The condition in which the bones are weakened due to a decrease in the bone mass is called_____________. |
| | A) | osteoarthritis |
| | B) | osteoporosis |
| | C) | rheumatoid arthritis |
| | D) | none of these are correct |
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18 | |
The skeleton _______. |
| | A) | permits flexible movement |
| | B) | supports and protects the body |
| | C) | produces blood cells and stores inorganic salts |
| | D) | All of these are correct. |
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19 | |
Bones are classified according to their________. |
| | A) | length |
| | B) | size |
| | C) | width |
| | D) | shape |
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20 | |
The axial skeleton consists of ________. |
| | A) | the skull |
| | B) | the vertebral column |
| | C) | the hyoid bone and rib cage |
| | D) | all of the above |
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21 | |
In newborns, certain bones are not completely formed and instead are joined by membranous regions called ________. |
| | A) | ligaments |
| | B) | cavities |
| | C) | fontanels |
| | D) | sphenoids |
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22 | |
Normally, the vertebral column has ________ curvatures. |
| | A) | one |
| | B) | two |
| | C) | three |
| | D) | four |
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23 | |
The third part of the sternum is the _________ which is composed of hyaline cartilage in the child and becomes ossified in the adult. |
| | A) | manubrium |
| | B) | body |
| | C) | costal process |
| | D) | xiphoid process |
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24 | |
The technical name for the hipbones is the ________ bones. |
| | A) | ilium |
| | B) | appendicular |
| | C) | coxal |
| | D) | sacral |
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25 | |
The _________ bone of the leg is the longest and strongest of the body. |
| | A) | tibia |
| | B) | fibula |
| | C) | humerus |
| | D) | femur |
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26 | |
________ is a term that refers to either finger or toe bones. |
| | A) | Processes |
| | B) | Plates |
| | C) | Sphenoids |
| | D) | Phalanges |
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27 | |
Most joints are freely movable, or ________, joints. |
| | A) | fibrous |
| | B) | synovial |
| | C) | cartilaginous |
| | D) | suture |
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28 | |
The knee has crescent-shaped pieces of cartilage between the bones called ________. |
| | A) | ligaments |
| | B) | synovial cartilage |
| | C) | bursa |
| | D) | menisci |
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29 | |
The more movable joints are ________. |
| | A) | hinge joints |
| | B) | ball-and-socket joints |
| | C) | sutures of the skull |
| | D) | between the intervertebral bones |
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30 | |
Osteoarthritis is a condition that results from |
| | A) | autoimmune reaction |
| | B) | a virus |
| | C) | a reaction to an immunization |
| | D) | a deterioration of an overworked joint |
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