Question

Which of the following is not true of the immune system? Choose one:

A. It is capable of responding to almost any foreign molecule.
B. Its two branches, innate and adaptive, are isolated from each other.
C. Its cells differentiate between self and nonself.
D. It includes organs, cells, and cell products.

Answer 1

B. Its two branches, innate and adaptive, are isolated from each other.

Step-by-step explanation:

The innate and adaptive immune branches are interlinked by antigen presentation and secretion of cytokines that are secreted in response to offence. For example, IFN-gamma which is released by the innate immune activates the adaptive immune.