Question

question 4 (mandatory) (1 point) a 0.9% nacl solution is isotonic to red blood cells. which of these describes the results if red blood cells are placed into a 9% solution of nacl? nothing will happen they will undergo plasmolysis they will burst they will expand but not burst they will crenate

Explanation:

Since a 0.9% NaCl solution is isotonic to red - blood cells, there is no net movement of water across the cell membrane, so nothing will happen to the red - blood cells.

Answer:

Nothing will happen