Question

What percentage of the blood volume is blood plasma and how much of it are RBCs?
a) Plasma: 40%, RBCs: 60%.
b) Plasma: 50%, RBCs: 50%.
c) Plasma: 60%, RBCs: 40%.
d) Plasma: 70%, RBCs: 30%.

Answer 1

Answer:

a) Plasma: 40%, RBCs: 60%.

Explanation:

In the human blood, plasma typically makes up about 55% of the total blood volume, while red blood cells (RBCs) make up about 45%. Therefore, option a) is the closest approximation.