Question

Which is the principal cation in the plasma of the blood?

Answer 1

Sodium is the most abundant electrolyte, and the most abundantcation, in blood plasma. Sodium plays a large role in maintaining water balance in the blood and in the tissues.

Answer 2

Answer:

Hey mate ! The answer for ur question is Sodium (Na⁺).

Explanation:

• Plasma is extracellular fluid. Na⁺ is the principal mineral cation in the extracellular fluid.

• The concentration of Na⁺ in plasma is 0.32% followed by K⁺ (0.02%) and Mg (0.0025%). The mineral ions like Na⁺ and others present in the blood plasma play an essential role in the maintenance of osmotic pressure the blood.

• Sodium also plays an important role in the functioning of nerve and muscle cells. Sodium and potassium traveling back and forth across the membranes of cells generate a charge, which can cause a muscle cell to contract or a nerve cell to transmit a signal.

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