Immune System Functionality Quiz

What is the primary role of the immune system?

• To produce red blood cells

• To fight pathogens causing illness

• To digest food

• To regulate body temperature

Which type of molecule triggers the immune system?

• Enzymes

• Antigens

• Hormones

• Vitamins

How are antibodies designed to interact with antigens?

• They are larger than antigens

• They are identical to antigens

• They are shaped like a lock and key

• They are randomly shaped

What happens to pathogens once they are flagged by antibodies?

• They are marked for destruction

• They change their structure

• They become invisible to the immune system

• They multiply rapidly

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

• It ignores the pathogen

• It requires external help

• It takes longer to respond

• It produces antibodies immediately