An Infant Less Than 4 Months Old Requires Which Procedures

Multiple Choice

An infant less than 4 months old requires which procedures for compatibility testing?

A) Antibody screen with each unit released in a 48-hour period
B) ABO and D typing and antibody screen initially only;units released without additional testing if the screen is negative
C) Immediate spin crossmatch with each unit released
D) Group O,D-negative units;no testing is necessary