What is the purpose of using a 'pre-warm' technique in blood banking for crossmatching?
A
To enhance the reactivity of cold agglutinins
B
To reduce the risk of hemolysis due to cold antibodies
✓
C
To improve the detection of warm autoantibodies
D
To increase the sensitivity of antibody detection
Explanation
The pre-warm technique is used to reduce the risk of hemolysis due to cold antibodies by warming the patient's serum before crossmatching.
Source
Transfusion Medicine journal
Hematology
Hematology: Blood Grouping and Crossmatching
Hematology: Blood Grouping and Crossmatching
Hard
MEDICAL
Confidence: medium