<prompt> Chronic diarrhea results in the following acid base imbalanceNormal anion gap metabolic acidosisMetabolic alkalosisIncreased anion gap metabolic acidosisRespiratory acidosis  <response>: A Normal anion gap metabolic acidosis Causes of Non-Anion-Gap Acidosis Gastrointestinal bicarbonate loss Diarrhea External pancreatic or small-bowel drainage Ureterosigmoidostomy, jejunal loop, ileal loop Drugs1 Calcium chloride acidifying agent2. Magnesium sulfate diarrhea3. Cholestyramine bile acid diarrhea Hypokalemia1. Proximal RTA type 22. Distal classic RTA type 1 Hyperkalemia Generalized distal nephron dysfunction type 4 RTA Mineralocorticoid deficiency Mineralocorticoid resistance Na delivery to distal nephron Tubulointerstitial disease Ammonium excretion defect Drug-induced hyperkalemia with renal insufficiency Potassium-sparing diuretics amiloride, triamterene, spironolactone Trimethoprim Pentamidine Angiotensin-converting enzyme inhibitors and AT-II receptor blockers Nonsteroidal anti- inflammatory drugs Cyclosporine Other Acid loads ammonium chloride, hyperalimentation Loss of potential bicarbonate: ketosis with ketone excretion Expansion acidosis rapid saline administration Cation exchange resins 