<prompt> A 60 kg man has haematocrit of 40. His plasma volume would be approximately:2.4 L2.9 L3.6 L5.0 L  <response>: Plasma volume Total blood volume 1 - Hematocrit The total blood volume is about 8 of body weight Blood volume of 60 kg man 0.08 60 4.8 L Plasma volume total blood volume 1-hematocrit 4.8 1-0.40 4.8 0.60 2.88 L Also, about 60 of the blood is plasma and 40 is RBCs Thus, plasma 5 of body weight and haematocrit is 3 of body weight 