Immune System Quiz

What is the primary function of complement proteins?

• To secrete hormones

• To lyse pathogenic bacteria

• To produce antibodies

• To transport oxygen

What type of immune defenses are not specialized to detect particular pathogens?

• Adaptive immune defenses

• Innate immune defenses

• External immune defenses

• Internal immune defenses

What is the purpose of generating a large diversity of antibodies?

• To confuse the immune system

• To recognize and eliminate any possible substance

• To slow down the immune response

• To increase the size of lymphocytes

Which of the following is NOT a function of acquired immunity?

• Discriminate between self and non-self antigens

• Provide memory of antigens

• Generate a large diversity of antibodies

• Destroy all antigens indiscriminately

What does the cell-mediated response target?

• Antigens before they infect body cells

• Body cells already infected with pathogens

• Free-floating viruses

• Bacteria in the bloodstream

Which response is responsible for dealing with pathogens that have already infected body cells?

• Humoral Response

• Cell-mediated Response

• Innate Response

• Passive Response

What is the function of lymphocytes in acquired immunity?

• To produce energy

• To recognize antigens

• To break down fats

• To carry oxygen

What role do antibodies play in activating macrophages?

• They deactivate macrophages

• They activate macrophages to destroy antigens

• They transform macrophages into antigens

• They ignore macrophages

What is the initial trigger for B-cell activation?

• Antibody

• Antigen

• Plasma cell

• Memory B-cell

What is the function of antibodies in the immune system?

• Activate viruses

• Neutralize antigens

• Transform into B-cells

• Produce lymphoblasts