Assignment Ch. 2 Immunity & Disease Key Terms

a disease of the immune system characterized by a reduction in the number of helper T cells (CD4 cells) and an increased susceptibility to opportunistic infections and certain cancers

• diseases

• hiv

• acquired immunodeficiency syndrome

• immunity

causative agent of AIDS; retrovirus that carries genetic information RNA rather than DNA​ ​ (a)  

• HIV
• AIDS

extreme immune response to an antigen​ ​ (a)   or ​ (b)  

• hypersensitivity
• allergy

chronic autoimmune disease that can affect various parts of the body including the skin, joints, heart, lungs, blood, kidneys and brain

• scleroderma

• lupus

• allergies

• cancer

development of antibodies called autoantibodies, to one's own tissues or self antigens.

antibodies produced by the immune system against the individual's own tissue, cells, or cell components ​ (a)  

• autoantibodies
• immunity
• antibiotics

cells that recognize and eliminate infected and abnormal cells ​ ​ (a)  

• cytotoxic t cells
• immune cells
• white cells

cells that stimulate antibody production by plasma cells, increase phagocytosis, and stimulate cytotoxic t cells and natural killer cells.

• phagocyte

• white cell

• helper t cell

• red cell

lymphocyte that provides cell-mediated immunity ​ (a)  

• T cell
• phagocyte
• white cell

lymphocyte that provides humoral immunity ​ (a)  

• b cell
• t cell
• immune cell