What is the purpose of using a 'neutral' or 'non-reactive' red blood cell in a crossmatch test?
A
To detect the presence of antibodies against high-frequency antigens
✓
B
To detect the presence of antibodies against low-frequency antigens
C
To detect the presence of antibodies against public antigens
D
To detect the presence of antibodies against private antigens
Explanation
A neutral or non-reactive red blood cell is used in a crossmatch test to detect the presence of antibodies against high-frequency antigens, which are present on most red blood cells.
Source
Technical Manual of the American Association of Blood Banks
Hematology
Hematology: Blood Grouping and Crossmatching
Hematology: Blood Grouping and Crossmatching
Medium
MEDICAL
Confidence: high
