Four Units of Packed RBCs Were Used in the Operating

question 15

Multiple Choice

Four units of packed RBCs were used in the operating room at 3 p.m. Can the remaining 2 units be returned to the blood bank at 5 p.m.?

• A) Yes, if the 2 units have been kept under the proper storage conditions
• B) Yes, but only if the units are to be used for the same patient
• C) No, units may have been out of blood bank for more than 4 hours
• D) No, units have been out of the blood bank for longer than 30 minutes