Immune System Quiz

Which of the following describes the first line of defense in the immune system?

• Inflammation

• Production of antibodies

• Skin and mucous membranes

• Vaccinations

What is the role of white blood cells in the immune system?

• Produce insulin

• Fight off infections

• Break down food in the stomach

• Improve eyesight

How do antibodies work in the immune system?

• They kill invading pathogens directly

• They regulate body temperature

• They help digest food

• They mark pathogens for destruction by other immune cells

What is the purpose of vaccines in the context of the immune system?

• To cause allergies

• To weaken the immune response

• To provide immunity without causing disease

• To treat existing infections

Which cells are primarily responsible for the specific immune response?

• Red blood cells

• Platelets

How does the immune system distinguish between self and non-self cells?

• By color

• By size

• By genetic markers

• By location in the body

Which immune response involves memory cells for faster recognition of previously encountered pathogens?

• Nonspecific immune response

• Specific immune response

• Inflammatory response

• Allergic response

What is the main function of the nonspecific immune system?

• Target specific pathogens

• Provide general protection against a range of pathogens

• Produce antibodies

• Activate T cells

What is the purpose of inflammation in the immune response?

• To lower body temperature

• To prevent blood clotting

• To attract immune cells to the site of infection

• To increase blood sugar levels

Which of the following is NOT a physical barrier in the nonspecific immune system?

• Skin

• Stomach acid

• Cilia in the respiratory tract

• Antibodies