Multiple choice

Which of the following is an example of mismatched blood transfusion?

  1. Type 1 hypersensitivity

  2. Type 2 hypersensitivity

  3. Type 3 hypersensitivity

  4. Type 4 hypersensitivity

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Type 2 hypersensitivities involve interactions of surface antigens of cells followed by complement assisted lysis of cells. Mismatched blood transfusion is an example of type 2 hypersensitivity. On the basis of antigens on the cell surface, there are 4 blood groups and incompatibility exists if the blood containing different Ag is given.