Multiple Choice
Please identify the INCORRECT definition regarding innate immunity.
A) First line defenses-the barriers that separate and shield the interior of the body from the surrounding environment (skin and mucous membranes) .
B) Sentinel cells-host cells that help the immune system detect signs of invasion by producing cytokines when their PRRs recognize an invading microbe.
C) Inflammatory response-coordinated innate response involved in containing a site of damage, localizing the response, eliminating the invader, and restoring tissue function.
D) Innate lymphoid cells-a group of lymphocytes that have increased specificity in their mechanism of antigen recognition (example: natural killer (NK) cells) .
E) RIG-like receptors-a group of pattern recognition receptors within cells that recognize molecules associated with infecting viruses.
Correct Answer:

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Correct Answer:
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