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ATI- Science (amanda_teas/naclex)

Question Number 11


✔ Correct Answer:
A) Innate immunity is present at birth while adaptive immunity is acquired after exposure to pathogens.Innate immunity is the first line of defense & present at birth, it includes physical/chemical barriers. (Skin, mucous membranes, antimicrobial peptides, macrophages, natural killer cells).Adaptive immunity is acquired after exposure to pathogens, it involves production of antibodies & activation of T cells specific to particular pathogens. It's longer to develop but more specific/targeted.