If an Emergency Exists and There Is Not Enough Time

Multiple Choice

If an emergency exists and there is not enough time to perform a crossmatch for red cells,what is the correct procedure?

A) Release group O,D-negative whole blood.
B) Release group O,D-negative red blood cells.
C) Release group AB fresh frozen plasma until the blood type is performed.
D) Release ABO-compatible blood based on the patient's prior record in the computer.