Potassium in which compartment is responsible for cardiac and neural function?
Correct Answer: Intracellular
Description: ANSWER: (A) IntracellularREF: Guyton's physiology 11th edition page 46 & 358, Ganongs 22nd edition chapter 1''Potassium cations are important in neuron (brain and nerve) function, and in influencing osmotic balance between cells and the interstitial fluid"* Potassium is the most abundant cation in intracellular fluid.* Phosphate is the most abundant intracellular anion.* Sodium is the most abundant extracellular cation.* Chloride is the most abundant extracellular anion.
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