Question

Which of the following statements are true for innate immunity?

• A. It consists of non-specific defense mechanisms
• B. It depends on production of B cells and T cells
• C. It includes physical barriers like skin
• D. Cytokines are a part of the innate defense mechanism

Answer 1

Answer: (A), (C), (D)

Cytokines are a part of the innate defense mechanism

Innate immunity refers to non-specific defense mechanisms that come into play immediately or within hours of an antigen's appearance in the body. These mechanisms include physical barriers such as skin, chemicals in the blood like cytokines, and immune system cells that attack foreign cells in the body.