Prostate specific antigen is used as____________?
Correct answer: A. Tumor marker
- A. Tumor marker
- B. Proto oncogene
- C. Oncogene
- D. Bacterial antigen
Explanation
PSA is produced by prostatic epithelial cells and is measured clinically to help detect and monitor prostate carcinoma, making it a tumour marker. It is neither an oncogene nor a bacterial antigen.
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