Surgery All of the following are true about transfusion protocol except: A BT should commence within 60 minutes of removing blood bag from refrigerators B Whole blood or packed RBC transfusion must be completed within 4 hours C Transfusion set should have standard filter of 170 mm size D Usual transfusion needle size should be of 18-19 gauge 💡 Explanation All of the following are true about transfusion protocol except: ✓ Correct Answer: A. BT should commence within 60 minutes of removing blood bag from refrigerators