Answer:
The Red blood cell swells and burst because the IV fluid is Hypotonic (contains more water or solvent ) to the red blood cell, the red blood cell is consequently hypertonic (it contains more solute ) to the IV fluid In other to maintain balance, the red blood cell to absorbed more water from the IV fluid via the process of osmosis this eventually led to swelling and bursting of the red blood cell. This process is is known as hemolysis