Immune System Quiz

Which of the following is a component of the immune system?

• Neurons

• Lymphocytes

• Red blood cells

• Platelets

What is a vaccine?

• A type of bacteria

• A medicine to treat infections

• A substance that stimulates the production of antibodies

• A type of virus

What does the term "antigen" refer to?

• A type of white blood cell

• A foreign substance that induces an immune response

• A type of antibody

• A type of vaccine

What name is given to the molecules released into the blood by immune system cells?

• Antibodies

• Hormones

• Enzymes

• Vitamins

Which barrier to infection covers the body?

• Skin

• Hair

• Nails

• Eyes

What cells are responsible for producing antibodies?

• B-lymphocytes or B-cells

• Red blood cells

• Neurons

• Muscle cells

What is the primary function of the immune system?

• To digest food

• To circulate blood

• To protect the body from disease

• To produce energy

What is a pathogen?

• A type of white blood cell

• A harmful microorganism that can cause disease

• A beneficial bacteria in the gut

• A type of vaccine

Why can't people become immune to the common cold?

• It is too weak to trigger an immune response

• It continuously mutates

• It is not caused by a pathogen

• It is only seasonal

What is a common misconception about flu vaccines?

• They provide lifelong immunity

• They are only for children

• They prevent all types of flu

• They are unnecessary