8. A 59-year-old man with severe chronic obstructive pulmonary disease has an arterial blood sample taken while breathing ambient air to determine if he qualifies for home oxygen therapy. The blood sample reveals a pH of 7.35 and a Pco2 of 53 mm Hg. Which of the following changes would you expect to see in his cerebrospinal fluid compared to normal values?A. Decreased Pco2B. Decreased hydrogen ion concentrationC. Increased bicarbonate concentrationD. Increased pHE. Increased lactate concentration

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