Immunopathology — MCQs

Thymic hypoplasia is seen in which of the following conditions?

A renal biopsy from a 56-year-old woman with progressive renal failure for the past 3 years shows glomerular and vascular deposition of pink amorphous material. It exhibits apple-green birefringence under polarized light after Congo red staining. These deposits are positive for lambda light chains. What is the most likely underlying condition?

Myasthenia gravis is which type of hypersensitivity?

What is the chemical nature of the amyloid deposited in immunocyte dyscrasias with amyloidosis?

Serum sickness syndrome is an example of:

During the physical examination of a 22-year-old man, a purified protein derivative isolated from Mycobacterium tuberculosis is injected into the skin. Three days later, the injection site appears raised and indurated. Which of the following glycoproteins was directly involved in antigen presentation during the initiation phase of delayed hypersensitivity in this patient?

A lymph node biopsy of a 6-year-old boy shows markedly decreased numbers of lymphocytes in the paracortical areas. Analysis of his peripheral blood leukocytes is likely to show normal to elevated numbers of which of the following CD cells?

Antigen-antibody complex mediated hypersensitivity is which type?

Long-acting thyroid stimulator (LATS) in Graves' disease is an example of which type of hypersensitivity reaction?

Which of the following cells is instrumental in transmitting human immunodeficiency virus (HIV) to CD4+ T lymphocytes?