Immunology and Immunity Quiz

Pyrogens:

• Make pus

• Lower temperature

• Cause fever

• Kill bacteria

How does aspirin reduce fever?

• Increases mucus

• Kills germs

• Blocks prostaglandins

• Shrinks blood vessels

What is the 3rd line of defense?

• NK Cells

• Adaptive Immunity

• Complement

• Histamine

What is an antigen?

• White blood cell

• Any protein from the body

• A foreign substance that triggers immune response

• A type of antibody

What is the variable region of an antibody?

• The part that fits a specific antigen

• The part that anchors to WBCs

• The base of the antibody

• A region with no function

What does IgA do?

• First responder to infection

• Found in mucus and secretions

• Most abundant in the blood

• Activates complement

Which antibody is first made during infection?

• IgE

• IgA

• IgM

• IgG

Which antibody can cross the placenta?

• IgM

• IgE

• IgD

• IgG

What antibody deals with allergies?

• IgM

• IgD

• IgE

• IgG

What does opsonization do?

• Kills viruses

• Tags microbes for phagocytosis

• Prevents inflammation

• Traps mucus