Immunopathology — MCQs

Idiopathic thrombocytopenic purpura is due to which type of hypersensitivity?

Which of the following cells are defective in chronic granulomatous disease?

Which of the following antigen-presenting cells does not express MHC Class II molecules?

NADPH oxidase deficiency causes which of the following conditions?

Steven Johnson Syndrome is seen with what kind of hypersensitivity reaction?

What does autologous transplant refer to?

Anaphylactic shock is caused by which type of hypersensitivity reaction?

In patients with myasthenia gravis, the characteristic autoantibody is directed against which of the following?

Lupus anticoagulants may cause all of the following except?

An 8-year-old boy presents with periorbital edema and throbbing headaches. His parents report that the boy had a 'strep throat' 2 weeks ago. Urinalysis shows 3+ hematuria. A renal biopsy shows hypercellular glomeruli, and electron microscopic examination of glomeruli discloses subepithelial 'humps.' Which of the following best explains the pathogenesis of glomerulonephritis in this patient?