Immune System Quiz

What are antigens?

• White blood cells that help the body remember previous invaders

• The state of having sufficient biological defenses to avoid infection or disease

• Foreign substances that invade the body

• The process of making a person immune to an infectious disease through vaccination

What are lymphocytes?

• Disease-causing microorganisms

• The state of having sufficient biological defenses to avoid infection or disease

• Foreign substances that invade the body

• White blood cells that help the body remember previous invaders

What are pathogens?

• The process of making a person immune to an infectious disease through vaccination

• White blood cells that help the body remember previous invaders

• Disease-causing microorganisms

• Foreign substances that invade the body

What is immunity?

• Foreign substances that invade the body

• The process of making a person immune to an infectious disease through vaccination

• Disease-causing microorganisms

• The state of having sufficient biological defenses to avoid infection or disease

What is immunization?

• The state of having sufficient biological defenses to avoid infection or disease

• White blood cells that help the body remember previous invaders

• Foreign substances that invade the body

• The process of making a person immune to an infectious disease through vaccination

What are phagocytes?

• Specialized proteins that lock onto specific antigens

• White blood cells that attack and destroy infected cells or pathogens

• A network of vessels, cells, and organs that carry excess fluids to the bloodstream and filter pathogens from the blood

• Poisonous or damaging substances produced by organisms

What do antibodies do?

• Carry excess fluids to the bloodstream and filter pathogens from the blood

• Attack and destroy infected cells or pathogens

• Surround and destroy pathogens

• Lock onto specific antigens

What is the function of the lymphatic system?

• It produces poisonous or damaging substances

• It locks onto specific antigens

• It carries excess fluids to the bloodstream and filters pathogens from the blood

• It surrounds and destroys pathogens

What are toxins?

• Cells that attack and destroy infected cells or pathogens

• Specialized proteins that lock onto specific antigens

• A network of vessels, cells, and organs that carry excess fluids to the bloodstream and filter pathogens from the blood

• Poisonous or damaging substances produced by organisms

What is the overall function of the immune system?

• To provide energy to the body

• To prevent or limit infection

• To support body movement

• To process food into nutrients