You have a 6-kg cat that you wish to raise his PCV from 15 to 25%. You plan to administer packed red blood cells. How many milliliters of packed red blood cells will this cat need?
你希望通过给予浓缩红细胞把一只6kg重的猫的PCV从15%提升到25%。你需要给多少ml的浓缩红细胞？
A 120 ml
B 15 ml
C 30 ml
D 60 ml