Immunity

What are any foreign substances that can stimulate an immune response?

• antibodies

• antigens

• pathogens

• immune response

Where are antigens found?

• in the air

• in body fluids

• inside of the cell

• at the surface of the cell

What uses specific immunity to fight antigens?

• interferon

• guns

• antibodies

• vaccines

Antigen-antibody reaction is very specific; antibody acts only on known antigen.

• true

• false

Main working cells of specific immunity are

• antibodies

• T and B lymphocytes

• T killer cells

• vaccines

Where are T and B cells produce?

• heart

• bone marrow

• blood

• thymus

Where B-cells mature

• bone marrow

• thymus

• blood

• heart

Where T-cells mature?

• bone marrow

• thymus

• heart

• blood

Which cells produce memory cells?

• B-cells

• T-cells

• phagocytes

• memory-making cells

Antibiotics kill

• bacteria and viruse

• viruse

• bacteria

• antibody