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Which antibody is first to be released i...

Which antibody is first to be released into blood following an infection?

A

IgD

B

IgG

C

IgM

D

IgE

Text Solution

AI Generated Solution

The correct Answer is:
### Step-by-Step Solution: 1. **Understanding Antibodies**: Antibodies are proteins produced by the immune system to identify and neutralize pathogens like bacteria and viruses. 2. **Types of Antibodies**: There are several classes of antibodies (immunoglobulins), including IgA, IgD, IgE, IgG, and IgM. Each plays a different role in the immune response. 3. **Immune Response to Infection**: When a pathogen enters the body, the immune system responds by producing antibodies to combat the infection. 4. **First Antibody Produced**: Among the different types of antibodies, IgM is the first antibody that is produced and released into the bloodstream in response to an infection. 5. **Role of IgM**: IgM is effective in forming complexes with pathogens and initiating the immune response, making it crucial in the early stages of infection. 6. **Conclusion**: Therefore, the first antibody released into the blood following an infection is **IgM**. ### Final Answer: The first antibody to be released into the blood following an infection is **IgM**. ---
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