ATI Med Surg Exam 10 | Nurselytic

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ATI Med Surg Exam 10 Questions

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Question 1 of 5

Anna's mother has been suffering from persistent vomiting for two days now. She appears to be lethargic and weak and has myalgia. She is noted to have dry mucus membranes and her capillary refill takes >4 seconds. She is diagnosed as having gastroenteritis and dehydration. Measurement of arterial blood gas shows pH 7.5, PaO2 85 mm Hg, PaCO2 40 mm Hg, and HCO3 34 mmol/L. What acid-base disorder is shown?

Correct Answer: B

Rationale: The elevated pH (7.5) and HCO3 (34 mmol/L) indicate metabolic alkalosis. The slightly elevated PaCO2 (40 mm Hg) suggests partial respiratory compensation attempting to correct the alkalosis.

Question 2 of 5

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Question 3 of 5

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Question 4 of 5

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Question 5 of 5

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