digitaldoc
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A 5-year-old boy falls off his bike and fractures his humerus. He is taken to the emergency room, and the bone is set by one of the emergency room physicians. Which of the following is responsible for producing the majority of the new bone that will reunite the two fragments?
A. Cancellous bone
B. Cartilage
C. Compact bone
D. Marrow
E. Periosteum
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| Ahab
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E. Periosteum.
This is because osteoblast activity is only present here. Once the osteoblasts have been covered in bone matrix they become osteocytes and are inactive
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| digitaldoc
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:P excellent :-)
and what cells regenerate the lost alveolar cells - Type I cells or Type II ?
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| rida
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Type II cells
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| digitaldoc
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Bullseye ! :shock:
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