What is the purpose of using a 'cold agglutinin' test in blood banking?
A
To detect the presence of warm autoantibodies
B
To detect the presence of cold agglutinins
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C
To determine the ABO blood group
D
To crossmatch blood for transfusion
Explanation
Cold agglutinins are antibodies that react with red blood cells at cold temperatures, and the cold agglutinin test is used to detect their presence.
Source
AABB Technical Manual
Hematology
Hematology: Blood Grouping and Crossmatching
Hematology: Blood Grouping and Crossmatching
Medium
MEDICAL
Confidence: high
