________ lacks the capacity to remember a pathogen or react differently to it in the future, whereas ________ utilizes memory cells to adapt to a given pathogen and ward it off more easily in the future.
A) Innate immunity; cytotoxicity
B) Adaptive immunity; innate immunity
C) A natural killer cell; a macrophage
D) Innate immunity; adaptive immunity

Question

Quizplus · Accepted Answer

Innate immunity is the body's first line of defense against pathogens and does not have a memory component, meaning it does not adapt or improve after exposure to a specific pathogen. Adaptive immunity, on the other hand, involves the creation of memory cells that allow the immune system to respond more effectively to pathogens it has encountered before.

________ Lacks the Capacity to Remember a Pathogen or React