Arterial blood gas analysis of a patient admitted to the medical emergency is as follows : pH = 7.2, HCO3 = 38 mmol/L, pCO2 = 56 mm Hg. This indicates :: (A) Metabolic acidosis, (B) Metabolic acidosis with respiratory compensation, (C) Respiratory acidosis, (D) Respiratory acidosis with renal compensation
Answer is D. None