Immune System Functionality Quiz

What is the primary role of the immune system?

• To regulate body temperature

• To digest food

• To fight pathogens causing illness

• To produce red blood cells

What triggers the immune system to respond?

• Red blood cells

• Antigens on pathogens

• Body temperature changes

• Nutrient levels

How do antibodies recognize pathogens?

• By matching their shape to antigens

• By emitting a sound

• By changing color

• By increasing in size

What happens to pathogens once they are flagged by antibodies?

• They multiply rapidly

• They are marked for destruction

• They change shape

• They become invisible

What advantage does the immune system have when encountering a previously known pathogen?

• It takes longer to respond

• It requires external help

• It produces antibodies immediately

• It ignores the pathogen