The type of immune mechanism that provides a general defense by acting against anything recognized as "not self" is called:
A) nonspecific immunity.
B) specific immunity.
C) autoimmune.
D) none of the above.

Question

Quizplus · Accepted Answer

Nonspecific immunity, also known as innate immunity, provides a general defense against any foreign substance or microorganism that enters the body. This defense mechanism is not specific to any particular pathogen or antigen, and it is present from birth. Examples of nonspecific immunity include physical barriers such as skin and mucous membranes, as well as white blood cells such as phagocytes and natural killer cells.

The Type of Immune Mechanism That Provides a General Defense