Multiple choice

Which of the following statements is/are about the intracellular ion concentration (Na, K, Ca) as compared to the concentration of that particular ion in the blood?

  1. Concentration of Na is higher inside the cell.

  2. Concentration of K is lower inside the cell.

  3. Concentration of Ca is higher inside the cell.

  4. Concentration of potassium is high inside the cell.

  5. Options 2 and 3 are correct.

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

In vertebrates, cytosolic concentration of potasium ion is 20 to 40 times higher than blood.