Question

What will happen when a Red Blood Cell (RBC) is kept in concentrated saline solution?

• A. It will lose water and shrink
• B. It will absorb water and swell
• C. It will be remain unaffected
• D. None of the above

Answer 1

The correct option is A It will lose water and shrink

When RBCs are kept in concentrated saline solution then such solution is said to be hypertonic. Hence, exosmosis i.e., water will move from inside to outside of RBC through its cell membrane due to this, RBCs will shrink.

So, the correct answer is option A.