The granulocyte to arrive first at the site of an infection is

Options

A. Neutrophil
B. Eosinophil
C. Basophils
D. All of these

Answer

To solve the question regarding which granulocyte arrives first at the site of an infection, we can follow these steps:

### Step 1: Understand the Types of Granulocytes
Granulocytes are a type of white blood cell characterized by the presence of granules in their cytoplasm. There are three main types of granulocytes:
- Neutrophils
- Eosinophils
- Basophils

### Step 2: Identify the Function of Each Granulocyte
Each type of granulocyte has a specific role:
- **Neutrophils**: These are the first responders to sites of infection. They primarily target bacteria and are crucial in the innate immune response.
- **Eosinophils**: These cells are mainly involved in combating parasitic infections and play a role in allergic reactions.
- **Basophils**: These are involved in allergic responses and inflammation.

### Step 3: Determine Which Granulocyte Arrives First
Based on their functions, neutrophils are the first type of granulocyte to arrive at the site of infection. They quickly move to the area of injury or infection to eliminate invading pathogens, primarily bacteria.

### Conclusion
The granulocyte that arrives first at the site of an infection is **neutrophils**.

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