Water will exit the cell causing it to shrink. Water will enter the cell causing it to swell. Salt will exit the cell causing it to shrink. Salt will enter the cell causing it to swell.
I gave my students this multiple choice question: What will happen to a cell that is placed in a hypotonic saline solution?

Only one answer is correct among these 4 choices:
- Water will exit the cell causing it to shrink.
- Water will enter the cell causing it to swell.
- Salt will exit the cell causing it to shrink.
- Salt will enter the cell causing it to swell.

Could you tell me which one is correct?

Water will enter the cell causing it to swell.