Question

Which of the following is dominant intracellular ion?

• A. Potassium
• B. Chloride
• C. Phosphate
• D. Calcium

Answer 1

The correct option is A Potassium

There are various ions present in the extracellular and intracellular fluid. The major ions present in the human body are sodium, potassium, calcium, magnesium, phosphate and chloride. Potassium is the major intracellular ion and sodium and chloride are major extracellular ions. Potassium helps in regulation of fluid levels within the cell and in maintaining the pH balance within the body.

Thus, the correct answer is option A.