Which WBC has maximum life span `:-`

Options

A. Basophil
B. Moncyte
C. Acidophil
D. Neutrophil

Answer

To determine which white blood cell (WBC) has the maximum lifespan, we will analyze the lifespan of different types of WBCs.

### Step-by-Step Solution:

1. **Identify the Types of WBCs**:
- The main types of WBCs we will consider are basophils, monocytes, acidophils (also known as eosinophils), and neutrophils.

2. **Examine the Lifespan of Each Type**:
- **Basophils**: Constitute about 0.5 to 1% of total WBCs, have a lifespan of around 10 hours.
- **Monocytes**: Constitute about 3 to 8% of total WBCs, have a lifespan of around 24 hours.
- **Eosinophils (Acidophils)**: Have a lifespan of around 14 hours.
- **Neutrophils**: Constitute about 60 to 70% of total WBCs, have a lifespan of around 12 hours.

3. **Compare the Lifespans**:
- Basophils: 10 hours
- Monocytes: 24 hours
- Eosinophils: 14 hours
- Neutrophils: 12 hours

4. **Determine the Maximum Lifespan**:
- Among the lifespans listed, monocytes have the longest lifespan of 24 hours.

5. **Conclusion**:
- Therefore, the WBC with the maximum lifespan is **monocytes**.

### Final Answer:
The WBC that has the maximum lifespan is **monocytes**.

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