What should the hospital have done to prevent X from showing the symptom described above? Patient X should have

A. undergone an agglutination test
B. been asked for the blood group
C. been screened for HIV
D. undergone malaria test

Correct Answer: Option A

A. undergone an agglutination test

Explanation

The basic technique in the identification of the antigens and antibodies of blood groups is the agglutination test and can be done to prevent the clumping of the red blood cell. The symptom is due to clumping due to incompatible blood transfusion.