Why Might Some Blood Banking Facilities Prefer the Use of Monospecific

Multiple Choice

Why might some blood banking facilities prefer the use of monospecific IgG over polyspecifiic antihuman globulin (AHG) in their antibody screens?

A) Interference from naturally occurring warm antibodies in patient serum is reduced.
B) Interference from naturally occurring cold antibodies in patient serum is reduced.
C) There is more IgG in monospecific antisera than in polyspecific reagents.
D) Monospecific IgG has been standardized.