Question

Which of the following is an isotonic solution for R.B.Cs?
a) 0.2% glucose solution
b) Ringer‟s solution
c) 0.66% salt solution
d) 10% glucose solution

Answer 1

0.9% NaCl

Explanation:

0.9% of sodium chloride solution is said to be isotonic  to RBC

when the blood cells resides in such a medium, the intracellular and extracellular fluids are in osmotic equilibrium across the cell membrane and there is no net influx or efflux of water.