Which immunoglobulin is the first to be produced in response to an infection?

Which immunoglobulin is the first to be produced in response to an infection?

Correct Answer: IgM

Step 1: Understand what immunoglobulins are. They are proteins made by the immune system to help fight infections.
Step 2: Learn that there are different types of immunoglobulins, also known as antibodies.
Step 3: Recognize that when the body detects an infection, it needs to respond quickly.
Step 4: Identify that IgM is the specific type of immunoglobulin that is produced first during an infection.
Step 5: Conclude that IgM helps to provide early defense against the pathogens (germs) causing the infection.

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