The Immune System Quiz

Which of the following best describes immunity?

• The ability to digest nutrients

• The body’s defense against disease

• The process of removing waste

• The ability to regulate temperature

Which organ filters blood and helps fight infection?

• Liver

• Spleen

• Thymus

• Pancreas

Which cells are responsible for producing antibodies?

• T cells

• Natural killer cells

• B cells

• Macrophages

The first line of defense includes:

• Antibodies

• Skin and mucous membranes

• B cells

• Fever

Which immune response involves T cells?

• Humoral immunity

• Cell-mediated immunity

• Passive immunity

• Innate immunity

Which immunoglobulin is most abundant in the body?

• IgA

• IgE

• IgM

• IgG

IgE is associated with:

• Chronic infections

• Allergic reactions

• Autoimmune diseases

• Bacterial infections

A foreign substance that triggers an immune response is called a:

• Phagocyte

• Antibody

• Antigen

• Vaccine

What is phagocytosis?

• The production of antibodies

• The engulfing and destroying of pathogens

• The formation of memory cells

• The release of histamine

A fever helps the body by:

• Lowering metabolism

• Slowing pathogen growth

• Increasing antibody destruction

• Causing vasoconstriction