What is the purpose of using a two-stage crossmatching technique in blood banking?
A
To detect warm autoantibodies
B
To differentiate between ABO and Rh incompatibility
C
To reduce the risk of transfusion-related acute lung injury (TRALI)
D
To identify the presence of alloantibodies against red blood cell antigens
✓
Explanation
Two-stage crossmatching is used to identify the presence of alloantibodies against red blood cell antigens, which can help prevent hemolytic transfusion reactions.
Source
AABB Technical Manual
Hematology
Hematology: Blood Grouping and Crossmatching
Hematology: Blood Grouping and Crossmatching
Medium
MEDICAL
Confidence: high
