Osteosarcoma is most likely present in the _____ of long bones
a. epiphyses
b. metaphyses
c. marrow
d. osteocytes
ANS: B
Osteosarcoma occurs mainly in the metaphyses of long bones near sites of active physical growth, not in the epiphyses. Osteosarcoma is not associated with the marrow or osteocytes.
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