Jackie Bright Hesi Pt Review: Metabolic Acidosis

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Jackie Bright Hesi Pt Review: metabolic acidosis. A 20-year-old man hospitalized with Crohn's disease You are a nurse in a large medical center, on a medical-surgical unit. Jackie Bright, 20 years old, has been a patient for the past two days. Jackie has Crohn's disease and for the past week has experienced nausea, anorexia, abdominal pain, and severe, bloody diarrhea. He was severely dehydrated, anemic, and malnourished on admission. Jackie is receiving parenteral nutrition through a tunneled central venous catheter. His diarrhea is persistent, and plans for an ileostomy are being discussed. Jackie experiences only short periods of remission between flare-ups of his disease. Among the many problems that Jackie has, you are very aware of his potential for acid-base imbalance. You arrive at work at 7 AM and enter Jackie's room. He tells you that he's had a terrible night, with about 20 episodes of diarrhea. He says he's extremely weak and depressed. He looks exhausted. After offering emotional support, you leave Jackie's room to get report. In report you learn that Jackie has just been seen by the medical resident, who suspects that Jackie may have an acid-base imbalance. 1. The medical resident prepares to draw blood gases from Jackie. The blood gases should be drawn from the: A. central venous catheter Arterial blood is needed for a blood gas analysis. The tunneled central venous catheter is situated in the superior vena cava, a major vein. B. radial artery Correct Freshly oxygenated arterial blood is needed for a blood gas analysis. The radial artery is commonly used to obtain an arterial blood sample. If necessary, the femoral artery can be used. Arterial blood gases are used to evaluate acid-base status. C. brachial vein Blood gases are obtained from an artery, not a vein. D. carotid artery Although blood gases are obtained from an

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