Microbiology. Chapter 16. Disorders in Immunity.

A positive tuberculin skin test is an example of ____ A. a delayed-type allergy B. autoimmunity C. acute contact dermatitis D. eczema

A. a delayed-type allergy

How is the immune system involved in development of cancer? A. failure in immune surveillance B. mutation in cytotoxic T-cells C. autoantibody formation D. overreaction to environmental chemicals

A. failure in immune surveillance

An example of a type III immune complex disease is A. serum sickness B. contact dermatitis C. graft rejection D. atopy

A. serum sickness

Theoretically, type ____ blood can be donated to all persons because it lacks ____. A. AB, antibodies B. 0, antigens C. AB, antigens D. O, antibodies

B. 0, antigens

Which of these immunopathologies could be treated with a stem cell transplant? A. arthus reaction B. SCID C. anaphylaxis D. A and B only E. B and C only

B. SCID

Production of IgE and degranulation of mast cells are involved in A. contact dermatitis B. anaphylaxis C. Arthus reaction D. both A and B

B. anaphylaxis

Contact dermatitis can be caused by A. pollen grains B. chemicals absorbed by the skin C. microbes D. proteins found in foods

B. chemicals absorbed by the skin

The direct, immediate cause of allergic symptoms is the action of A. the allergen directly on smooth muscle B. the allergen on B lymphocytes C. allergic mediators released from mast cells and basophils D. IgE on smooth muscle

C. allergic mediators released from mast cells and basophils

The contact with allergen that results in symptoms is called the A. sensitizing dose B. degranulation dose C. provocative dose D. densitizing dose

C. provocative dose

Production of autoantibodies may be due to A. emergence of forbidden clones of B-cells B. production of antibodies against sequestered tissues C. infection-induced change in receptors D. All of these are possible

D. All of these are possible

Which disease would be most similar to AIDS in it pathology? A. X-linked agammaglobulinemia B. SCID C. ADA deficiency D. DiGeorge syndrome

D. DiGeorge syndrome

Rheumatoid arthritis is an ____ that affects the ____. A. immunodeficiency disease, muscles B. autoimmune disease, nerves C. allergy, cartilage D. autoimmune disease, joints

D. autoimmune disease, joints

B-cells are responsible for which conditions? A. asthma B. anaphylaxis C. tuberculin reactions D. both A and B

D. both A and B

Type II hypersensitivities are due to A. IgE reating with mast cells B. activation of cytotoxic T-cells C. IgE-allergen complexes that clog epithelial tissues D. complement-induced lysis of cells in the presence of antibodies

D. complement-induced lysis of cells in the presence of antibodies

Pollen is which type of allergen? A. contactant B. ingestant C. injectant D. inhalant

D. inhalant

Which hypersensitivities are T-cell mediated? A. type I B. type II C. type III D. type IV

D. type IV