Immunopathology — MCQs

Angioedema is seen due to deficiency of?

Which of the following is NOT a feature of DiGeorge Syndrome?

Which antibody is primarily responsible for protecting against intestinal infections?

A 29-year-old woman has had increasing weakness over the past year, with difficulty climbing a single flight of stairs and frequent muscle soreness. She has little difficulty writing or typing, but has experienced increasing difficulty swallowing over the past 3 months and chest pain for the past week. On physical examination, she is afebrile with a blood pressure of 115/75 mm Hg. Muscle strength is 4/5 in all extremities, with no rashes present. She has 2+ pitting edema to the knees and rales are auscultated over the lower lung fields. Laboratory studies show a serum creatine kinase level of 458 U/L and Jo-1 antibodies. Which of the following additional complications of her disease is she most likely to have?

All of the following immunodeficiency diseases are due to chromosomal instability or defective repair of genes, except:

Henoch-Schönlein purpura is characterized by all of the following except?

Thymoma is associated with which of the following conditions?

In Wegener's granulomatosis, cytoplasmic anti-neutrophilic antibodies are directed against which of the following?

Acute Graft-versus-Host Disease (GVHD) is primarily caused by which type of lymphocyte?

Which of the following organs can cause an antigen reaction when exposed in self-blood?