This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Excretory System (Kidney, Bladder) Acid-Base Balance, Subject name: Physiology
[{'content': 'In a person with normal kidneys and normal lungs who has chronic metabolic acidosis, you would expect to find all of the following, compared with normal, except: \nSelect and explain. \nA. Increased renal excretion of NH4Cl, B. Decreased urine pH, C. Decreased urine HCO3- excretion, D. Increased plasma HCO3- concentration', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Chronic metabolic acidosis : is, by definition, associated with Decreased HCO3- Increased excretion of NH4Cl occurs with renal compensation for the acidosis Respiratory compensation for the acidosis increases the ventilation rate, resulting in Decreased plasma Pco2.', 'role': 'assistant'}]