Podcast
Questions and Answers
What are the components of the three defenses the body has against infection?
What are the components of the three defenses the body has against infection?
Physical and Chemical Barriers: Skin, mucous membranes, stomach acid. Innate Immune System: Phagocytes, natural killer cells, inflammation. Adaptive Immune System: B cells and T cells.
What are the different types of immunity?
What are the different types of immunity?
Innate Immunity: Immediate, non-specific defense. Adaptive Immunity: Specific defense with memory, involving humoral (B cells) and cell-mediated (T cells) immunity.
What factors increase risk for developing infections?
What factors increase risk for developing infections?
Compromised immune system Chronic diseases (e.g., diabetes, HIV) Poor hygiene Age (very young or elderly) Hospitalization or surgical procedures
