What is the purpose of using a 'neutralization' technique in blood grouping?

A To remove unwanted antibodies from patient serum ✓
B To enhance the reactivity of red blood cells with antibodies
C To detect the presence of complement on red blood cells
D To distinguish between different blood group antigens

Explanation

Neutralization techniques, such as the use of enzyme-treated red blood cells, are used to remove or inactivate unwanted antibodies from patient serum, allowing for more accurate blood grouping and crossmatching results.

Mnemonic

Neutral = Negate unwanted antibodies

Source

Specialized hematology textbooks and research articles
Hematology Hematology: Blood Grouping and Crossmatching Hematology: Blood Grouping and Crossmatching Hard MEDICAL Confidence: high