<prompt> Which of the following is not isotonic solution0.5 dextrose in water0.9 normal salineLactated ringer10 dextrose in water  <response>: An isotonic solution is one that has the same osmolarity, or solute concentration, as another solution. If these two solutions are separated by a semipermeable membrane, water will flow in equal pas out of each solution and into the other. 10dextrose in water should be administered using a central line if possible and should not be infused using the same line as blood products as it can cause RBC hemolysis. 