15 Questions
Which type of hypersensitivity reaction is caused by the binding of autoantibodies to a cell or neutralizing an essential protein?
Type II
What is the mechanism of injury in type II hypersensitivity reactions?
Complement activation
Which cells are attracted and contribute to tissue injury in type II hypersensitivity reactions?
Neutrophils
Which of the following conditions is an example of a type II hypersensitivity reaction?
Graves disease
What is the term for the condition caused by autoantibodies directed to the acetylcholine receptors on motor endplates of muscle?
Myasthenia gravis
Which of the following is an example of a type II hypersensitivity reaction involving red blood cells?
Hemolytic disease of newborn
What is the term for the type of kidney disease caused by autoantibodies directed against basement membranes of glomerular capillaries in the urinary system?
Glomerulonephritis
Which type of hypersensitivity reaction involves the formation of immune complexes that can be deposited in tissues?
Type III
Which type of hypersensitivity reaction is characterized by T lymphocytes causing tissue injury?
Type IV
Which disease is an example of tissue injury caused by immune complexes in the urinary system?
Acute postinfectious glomerulonephritis
Which protein is lacking in individuals with severe hemophilia A?
F.VIII
What can happen when patients with severe hemophilia A are treated with recombinant human F.VIII?
The immune system may produce antibodies against the therapeutic F.VIII
What is the characteristic feature of type III hypersensitivity reactions?
Formation of immune complexes
What is the time delay for a type IV hypersensitivity reaction to develop?
24 to 48 hours
What is the cause of contact dermatitis?
Exposure to plant derived oily resins
Test your knowledge on Type II hypersensitivity reactions and their mechanisms with this quiz. Learn about the deleterious effects of antibody binding, complement activation, opsonization of cells, and more.
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