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2. A person who is allergic to penicillin could expect a more severe reaction with exposure to penicillin in the future. Why?
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Answer #1

C. is the correct option.

When the body is exposed to the same antigen (panicillin) for the second time, the memory cells identify the organism and quickly activate the T cells. So, the invading antigen is destroyed very quickly. The response of the T cells is also more powerful this time.

The response time is immidiate and Antibody antigen reaction is more aggressive and body fails to cope with the allergic reaction, so more dangerous.

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