Immunopathology — MCQs

A 24-year-old woman with leukemia receives an allogeneic bone marrow transplant. Three weeks later, she develops a skin rash and diarrhea. Liver function tests show elevated serum levels of AST and ALT. A skin biopsy discloses a sparse lymphocytic infiltrate in the dermis and epidermis, as well as apoptotic cells in the epidermal basal cell layer. Skin rash and diarrhea in this patient are caused primarily by which of the following cells?

Antibodies in Immune Thrombocytopenic Purpura (ITP) are typically:

Which of the following is NOT an antigen for antiphospholipid antibodies?

All of the following are true EXCEPT:

Which of the following is a flow cytometric B cell marker?

Changes in which structural level of amyloid protein makes it insoluble?

In which year was HIV discovered?

Which of the following statements is NOT true regarding Natural Killer (NK) cells?

Henoch-Schonlein purpura is characterized by deposition of which immunoglobulin?

CD8 is a marker for which of the following cell types?