A Tumor in a 15-Year-Old Boy Was Diagnosed in the Diaphysis

question 5

Multiple Choice

A tumor in a 15-year-old boy was diagnosed in the diaphysis of the tibia. On x-ray examination,it had a sunburst appearance and histologically it was composed of a uniform population of small blue cells.This tumor is a(n) :

• A) Osteosarcoma
• B) Chondrosarcoma
• C) Giant cell tumor
• D) Ewing's sarcoma
• E) Metastasis from a lung cancer

---

Definitions:

Income Statement

A summary of a company's financial performance over a certain period, detailing revenue, expenses, and profits or losses, revealing the company's ability to generate profit.

Cost-Volume-Profit Analyses

A financial analysis tool that helps determine how changes in cost and volume affect a company's operating profit.

Total Contribution Margin

The difference between total sales revenue and total variable costs, indicating the contribution towards covering fixed costs and profit.

Sales Volume

The total number of units of product sold in a particular period.