Which blood group antigen is responsible for the phenomenon of hemolysis in paroxysmal cold hemoglobinuria?

A P antigen ✓
B I antigen
C i antigen
D H antigen

Explanation

The P antigen is responsible for the phenomenon of hemolysis in paroxysmal cold hemoglobinuria, a rare autoimmune disorder.

Source

Clinical Hematology textbook
Hematology Hematology: Blood Grouping and Crossmatching Hematology: Blood Grouping and Crossmatching Hard MEDICAL Confidence: medium