Blood and bone marrow tests are mainly done for analysis of

Options

A. Leukemia
B. Gastric carcinoma
C. Skin carcinoma
D. Brain tumour

Answer

To solve the question regarding what blood and bone marrow tests are mainly done for analysis of, we can follow these steps:

### Step 1: Understand the Options
We have four options to consider:
1. Leukemia
2. Gastric carcinoma
3. Skin carcinoma
4. Ventimum

### Step 2: Analyze Each Option
- **Leukemia**: This is a type of cancer that affects the blood and bone marrow. It is characterized by the overproduction of abnormal white blood cells, which can hinder the body's ability to fight infections.
- **Gastric carcinoma**: This refers to cancer of the stomach. It primarily affects the gastric glands and is not typically diagnosed through blood or bone marrow tests.
- **Skin carcinoma**: This is a type of cancer that occurs in the skin cells. Diagnosis usually involves skin examinations and biopsies rather than blood tests.
- **Ventimum**: This term does not correspond to a known medical condition or cancer type.

### Step 3: Determine the Correct Answer
Given the definitions and characteristics of the options:
- Blood and bone marrow tests are specifically used to diagnose conditions related to blood, such as leukemia. These tests can help identify the presence of abnormal blood cells and assess the overall health of the blood and bone marrow.

### Conclusion
The correct answer is **Leukemia**, as blood and bone marrow tests are primarily conducted to analyze this condition.

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