Medicine Fluid & Electrolyte b3578a45 Hypokalemia is - A <3.5 B <4.5 C <5.6 D <6.5 High-Yield Explanation Ans. is 'a' i.e., < 3.5 Serum potassiumo Normal-3.5 - 5.0 mmol'Lo Hypokalemia-<3.5o Hyperkalemia->5-6meq.'L