Question: A 62-year-old male has the following lab results over a 2-month period. What can be said about the results over time? Test Results Results 2 months later Reference Range pH 7.50 7.43 7.35-7.45 PCO2 42 mm/Hg 48 35-45 HCO3- 33 mmol/L 28 22-26 Group of answer choices Patient's metabolic alkalosis is showing signs of compensation after 2 months The patient's metabolic acidosis is showing respiratory compensation. The patient is showing signs of chronic carbon dioxide retention. Chronic lactic acidosis