VERIFIED QUESTIONS AND
100% CORRECT ANSWERS
GRADED A+ 2026
the first line of defense in innate immunity is - answer-mechanical and chemical
barriers
the most numerous type of phagocyte is the ___ - answer-macrophage
the second line of defense consists of - answer-phagocytosis
____ are molecular markers - answer-antigens
_____ are a group of lymphocytes that kill many types of tumor cells and cells infected
by different kinds of viruses - answer-natural killer cells
approximately ___ to ___% of people in the US have an autoimmune disease - answer-5-
8%
histamine, kinking, and interleukins are examples of _____ mediators - answer-
inflammation
cytokines are ____ released from cells to trigger and regulate adaptive and immune
responses - answer-chemicals
what is the function of an interferon? - answer-to interfere with the ability of viruses to
cause disease