USMLE Step 1 Immunology Questions: Hypersensitivity Reactions – Types II, III and IV

Hypersensitivity reactions are one of the most reliable Immunology topics on USMLE Step 1. You need to match each clinical picture to its mechanism: IgE, antibody against cells, immune complexes or T cells. Pick your answer first, then open the explanation. Question 1: Dark urine and swelling two weeks after a sore throat An 8-year-old … Read more