PSA is a test used to detect

Options

A. lung cancer
B. HIV infection
C. Prostate gland Cancer
D. Breast Cancer

Answer

**Step-by-Step Solution:**

1. **Understanding PSA**: PSA stands for Prostate-Specific Antigen. It is a substance produced by the prostate gland.

2. **Purpose of the PSA Test**: The PSA test is primarily used to measure the level of prostate-specific antigen in the blood. Elevated levels of PSA can indicate the presence of prostate cancer or other prostate-related conditions.

3. **Analyzing the Options**:
- **Lung Cancer**: Detected using imaging techniques like X-rays.
- **HIV**: Detected using tests like ELISA (Enzyme-Linked Immunosorbent Assay).
- **Prostate Gland Cancer**: Detected using the PSA test.
- **Breast Cancer**: Detected using mammography or X-rays.

4. **Conclusion**: Based on the information, the PSA test is specifically used to detect prostate gland cancer.

5. **Final Answer**: Therefore, the correct answer to the question "PSA is a test used to detect" is prostate gland cancer.

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