Question

question 3 (1 point)
listen
one can examine the levels of antigens and antibodies that exist in a persons blood to evaluate their recent exposure to an agent of infectious disease.
true
false

Explanation:

Antigens are foreign substances that trigger an immune response, and antibodies are produced by the immune system in response to antigens. Measuring their levels in blood can indicate exposure to infectious - disease agents.

Answer:

True