Multiple choice Which of the following is the reason of imbalance of Na and K in the blood? Hyposecretion of adrenal medulla Hyposecretion of adrenal cortex Hypersecretion of adrenal cortex Hypersecretion of parathyroid Reveal answer Fill a bubble to check yourself B Correct answer Explanation Hyposecretion of adrenal cortex causes the imbalance of Na and K in the blood. This leads to nervous disorders and convulsions.