A patient has come to the clinic for a routine annual physical. The Nurse Practitioner notes a large projection of bone at the shoulder. The Nurse Practitioner knows that this is most likely what?
A) An osterosarcoma
B) An osteochondroma
C) An osteoblast
D) An osteitis
Ans: B
Feedback: Osteochondroma is the most common benign bone tumor. It usually occurs as a large projection of bone at the end of long bones (at the knee or shoulder). It develops during growth and then becomes a static bony mass. Osteosarcoma (ie, osteogenic sarcoma) is the most common and most often fatal primary malignant bone tumor. Osteoblastic activity lays down new bone.
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