The following condition is not associated with an increased anion-gap type of metabolic acidosis :: (A) Shock, (B) Ingestion of ante-freeze, (C) Diabetic keto-acidosis, (D) COPD
Answer is D. Answer is D (COPD) In COPD Blood pH is usually maintained within normal range in spite of increased PaCO2 because of renal compensation which leads to retention of bicarbonates - API/6th/232