<prompt> Major cation in intracellular space:ProteinsPotassiumSodiumChloride  <response>: Ans: B Potassium Ref: Guyton Hall. The Body Fluid Compartments: Extracellular and Intracellular FI aids. In: Textbook of Medical Phvsiobgy. 12th ed. Philadelphia: SaundersElsevier: 2012. P288.Explanation: See the following table 