In an attempt to best explain the innate immune system to a class of first-year nursing students, the instructor should describe what characteristic

Innate immunity is the generic defense mechanisms that come into act directly or within hours of an antigen’s presence in the body. It is not accurate to a particular pathogen in the means that the adaptive immune reactions are. They hinge on on a cluster of proteins and phagocyte cells that are known for their unspoiled features of pathogens and became rapidly stimulated in order to abolish intruders.

productive most commonly means: achieving or producing a significant amount or result.

explanation:

productive can also mean:

these depend on how the word productive is used. most likely productive will mean   achieving or producing a significant amount or result.