HY USMLE Q #662 – Acid/Base

A 61-year-old man comes to the physician for a routine health maintenance examination. He has smoked two packs of cigarettes daily for 40 years. Cardiopulmonary examination shows a loud P2 and a long, narrow cardiac silhouette. Which of the following is most likely to be seen in this patient?

Decreased chloride in the plasma
Decreased dissolved CO2 in plasma
Decreased urinary weak base
Increased serum pH
Increased urinary volume