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Bone
Chapter 6
| Question | Answer |
|---|---|
| A bone includes | living material and nonliving material. |
| Which of the following is not a function of bone? | To provide nervous communication from bone to muscle. |
| The bones of the wrists and ankles are classified as | short bones. |
| Which of the following is not found in spongy bone? | Osteons |
| Which of the following four groups of bones, based on shape and with an example of each, is correct? | Irregular bones-bones of the backbone |
| Compact bone has ________, whereas spongy bone has __________. | tightly packed tissue that is solid, strong, and resistant to bending; cancellous bone that reduces the weight of bone |
| The white material that reduces friction at the ends of bones is called | articular cartilage. |
| Articular cartilage is | hyaline cartilage. |
| A bone thickens by | none of the above. |
| Osteoblasts are ______, whereas osteocytes are ______. | bone-forming cells; mature bone cells |
| Osteoclasts are | bone cells that resorb bone tissue. |
| . A vitamin D deficiency results in ______, whereas a vitamin A deficiency results in ______. | rickets; retardation of bone development |
| Pituitary dwarfism results from a decreased secretion of ______ hormone, which decreases production of ______. | growth; cartilage cells in the epiphyseal plate |
| Which of the following is not a step in endochondral bone formation? | Hyaline cartilage changes to adipose tissue. |
| *Which of the following is(are) an example of an intramembranous bone? | Broad, flat skull bones |
| The presence of an epiphyseal plate indicates that: | the bone is lengthening. |
| At what age are all bones normally ossified? | 25 years |
| Which is true? | Osteoblasts deposit bone matrix around themselves and become osteocytes when they are isolated in lacunae. |
| . It is possible to determine if a child's long bone is growing by examining a radiograph of the | epiphyseal plate. |
| Endochondral ossification ______, whereas intramembranous ossification ______. | replaces hyaline cartilage; replaces undifferentiated connective tissue |
| The thyroid hormone thyroxine can ______ bone growth by ______. | increase; stimulating osteoblast activity in the epiphyseal plate |
| Sex hormones stimulate | ossification of epiphyseal plates. |
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pentose123
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