Answer
(d) Tuberculin skin test reaction; (a) Anaphylaxis; (c) Precipitation of antigen-antibody complexes in joints; (b) Mismatched blood transfusion
Work Step by Step
The following are immune system reactions and their corresponding type of hypersensitivity: Tuberculin skin test reaction- Type IV; Anaphylaxis- Type I; Precipitation of antigen-antibody complexes in joints- Type III; Mismatched blood transfusion- Type II.