Immunopathology — MCQs

Erythroblastosis fetalis is which type of hypersensitivity?

All of the following are true regarding Hyper IgE syndrome, except:

A patient with cirrhosis and liver failure is a candidate for stem cell transplantation. What is the preferred method?

The interaction of antigens with antibodies on the surface of a mast cell leads to degranulation and anaphylaxis. The mast cell granules produce anaphylaxis because they contain:

Which of the following interleukins is characteristically produced in a TH1 response?

What type of cell is an L.E. cell?

What is a common consequence of hypogammaglobulinemia?

Allograft rejection is an example of which type of immune response?

All are true about severe combined immunodeficiency except?

A 63-year-old man presents with a 15-year history of chronic arthritis. Physical examination reveals ulnar deviation, bony ankylosis, and swan neck deformities of the fingers. Laboratory findings include 4.2 g of protein in a 24-hour urine collection, a serum creatinine of 3.1 mg/dL, and blood urea nitrogen of 30 mg/dL. The C-reactive protein level is markedly elevated. A rectal biopsy shows amorphous pink material deposited in the mucosa, which stains positive with Congo red on H&E staining. Which of the following proteins is the most likely precursor to this material in the mucosa?