Due to a short supply of O-negative packed cells, an Rh-negative patient was transfused with 1 unit of Rh-positive red blood cells. Calculate the number of Rh-immune globulin vials needed to protect against 250 mL of Rh-positive packed cells.

Question

Quizplus · Accepted Answer

1 vial of Rh-immune globulin protects against 15 mL of Rh-positive packed cells. 250 mL / 15 mL = 16.67 vials. Round up to 17 vials.

Due to a Short Supply of O-Negative Packed Cells, an Rh-Negative