Surgery One unit of PRBC raises HCT by: (In exam instead of HCT, they wrote HCV, which we assume to be a spelling error): A 1% B 2% C 3-5% D 5-8% 💡 Explanation One unit of PRBC raises HCT by: (In exam instead of HCT, they wrote HCV, which we assume to be a spelling error): ✓ Correct Answer: C. 3-5%