What is the purpose of using a saline replacement technique during a crossmatch test?

A To enhance the sensitivity of the test
B To reduce the risk of false positives
C To remove residual antibodies from the test system ✓
D To accelerate the reaction time

Explanation

The saline replacement technique is used to remove residual antibodies from the test system, reducing the risk of false positives and ensuring accurate results.

Source

Clinical Laboratory Standards Institute
Hematology Hematology: Blood Grouping and Crossmatching Hematology: Blood Grouping and Crossmatching Medium MEDICAL Confidence: medium