A client with renal failure enters the emergency room after skipping three dialysis treatments to visit family out of town. Which set of ABGs would indicate to the nurse that the client is in a state of metabolic acidosis?
A. pH of 7.43, PCO2 of 36, HCO3 of 26
B. pH of 7.41, PCO2 of 49, HCO3 of 30
C. pH of 7.33, PCO2 of 35, HCO3 of 17
D. pH of 7.25, PCO2 of 56, HCO3 of 28