Histo Question

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Histo Question

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2 Posts

digitaldoc

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Topics: 35
Posts: 369

06/29/04 - 11:45 AM

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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yeti00
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Topics: 2
Posts: 31

07/09/04 - 01:15 PM

Which of the following is responsible
for producing the majority of the new bone that will reunite the two fragments?

Now, someone correct me here, but after a bone breaks, fibroblasts and controblasts appear at the hematoma, type II cartilage is laid down first, then bone remodelling (cortical then cancellous bone).

Although this question is a little bit ambiguous, it seems like B would be the best answer.

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