Lithium directly affects which: (A) Sodium, (B) Potassium, (C) Magnesium, (D) Calcium
Answer is A. Ans. is 'a' i.e., Sodium Diuretics (paicularly thiazides) decrease the renal excretion of lithium and thus may result in toxicity. This is due to increased reabsorption of Na+ and lithium ions (as a compensatory response to excessive loss of Na+).