What is the purpose of a biochemical marker test in relation to bone health?

• A. To increase bone density
• B. To determine rate of bone loss
• C. To diagnose fractures
• D. To relieve symptoms of arthritis

Answer: (B)

The purpose of a biochemical marker test in relation to bone health is to determine the rate of bone loss. Biochemical markers are substances that can be measured in the blood or urine and reflect the processes of bone formation and resorption. By assessing the levels of these markers, healthcare providers can gain insights into the dynamics of bone metabolism, including how quickly bone is being lost or formed. This information is particularly valuable for monitoring conditions such as osteoporosis, where understanding the rate of bone loss can guide treatment decisions and evaluate the effectiveness of therapies designed to prevent further loss.

In contrast, increasing bone density is a goal of treatment rather than the purpose of the test itself. Diagnosing fractures is typically achieved through imaging techniques rather than biochemical tests. Relieving symptoms of arthritis involves different treatment protocols and does not directly relate to measuring bone health or loss. Therefore, the focus of biochemical marker tests is specifically on understanding the rate of bone loss, making that the correct answer.