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1. which of the following is a tumoros marker?
- A. CRP
- B. CRP
- C. CRP
- D. CRP
Answer: Option D
Explanation:
A tumor marker is a biomarker found in blood, urine, or body tissues that can be elevated by the presence of one or more types of cancer. There are many different tumor markers, each indicative of a particular disease process, and they are used in oncology to help detect the presence of cancer. An elevated level of a tumor marker can indicate cancer; however, there can also be other causes of the elevation (false positive values).
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