A Client with a History of Recurrent GI Bleeding Is

A client with a history of recurrent GI bleeding is admitted to the hospital for a gastrectomy. Following surgery, the client has a nasogastric tube to low continuous suction. He begins to hyperventilate. The nurse should be aware that this pattern will alter his arterial blood gases by:

A) Increasing HCO₃
B) Decreasing PCO₂
C) Decreasing pH
D) Decreasing PO₂