What is the purpose of using a 'minor crossmatch' in blood banking?

A To detect the presence of antibodies against the recipient's red blood cells
B To detect the presence of antibodies against the donor's red blood cells ✓
C To determine the ABO blood type of the donor and recipient
D To determine the Rh blood type of the donor and recipient

Explanation

A minor crossmatch is used to detect the presence of antibodies against the donor's red blood cells in the recipient's serum, which can help prevent a hemolytic transfusion reaction.

Source

AABB Technical Manual
Hematology Hematology: Blood Grouping and Crossmatching Hematology: Blood Grouping and Crossmatching Medium MEDICAL Confidence: high