Fluid and Electrolytes NCLEX RN Questions

The nurse is working in the emergency department caring for a client with diabetic ketoacidosis (DKA). Which of the following arterial blood gas (ABG) results would be expected?

A. pH = 7.50 [7.35-7.45]; PaO2 = 90 mm Hg [80-100 mm Hg]; PaCO2 = 37 mm Hg [35-45 mm Hg]; HCO3- = 31 mEq/L [22-28 mEq/L]

B. pH = 7.31 [7.35-7.45]; PaO2 = 90 mm Hg [80-100 mm Hg]; PaCO2 = 56 mm Hg [35-45 mm Hg]; HCO3- = 23 mEq/L [22-28 mEq/L]

C. pH = 7.51 [7.35-7.45]; PaO2 = 94 mm Hg [80-100 mm Hg]; PaCO2 = 31 mm Hg [35-45 mm Hg]; HCO3- = 24 mEq/L [22-28 mEq/L]

D. pH = 7.31 [7.35-7.45]; PaO2 = 90 mm Hg [80-100 mm Hg]; PaCO2 = 37 mm Hg [35-45 mm Hg]; HCO3- = 15 mEq/L [22-28 mEq/L]

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