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30 November, 09:57

The body uses non-specific immune responses as the first line of defense when we are exposed to pathogenic or disease causing organisms. Which of the following factors is a nonspecific response?

A. Antibodies are produced after an infection.

B. Bacterial cell surface proteins start a response.

C. Unbroken skin provides a physical barrier.

D. Vaccine injections will imitate viral exposure.

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Answers (1)
  1. 30 November, 11:58
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    C

    Explanation:

    A nonspecific response is a defense you are born with. You were born with unbroken skin to be a physical barrier.
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