Question

what will happen to R.B.Cs placed in (a) 0.9% salt solution (b) 0.66% salt solution (c) 0.2 % glucose solution​

Answer 1

In 0.9% salt solution is said to be isotonic: therefore the RBC will remain same.

In 0.66% salt solution is said to be hypertonic: therefore the RBC will shrink.

in 0.2% glucose solution is said to be hypotonic: therefore the RBC will swell.