Question

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.

Answer 1

C

Step-by-step explanation:

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