HESI Fundamentals 2023 Test Bank Related

Review HESI Fundamentals 2023 Test Bank related questions and content

A client is being treated for diabetic ketoacidosis (DKA). Which laboratory value would be most concerning?

  • A. Blood glucose of 350 mg/dL
  • B. Serum bicarbonate of 18 mEq/L
  • C. Arterial pH of 7.20
  • D. Serum potassium of 5.5 mEq/L
Correct Answer: C

Rationale: In a client with diabetic ketoacidosis (DKA), the most concerning laboratory value is an arterial pH of 7.20. An arterial pH of 7.20 indicates severe acidosis, which is a critical condition requiring immediate intervention. This pH level reflects a significant imbalance in the body's acid-base status, potentially leading to serious complications. High blood glucose levels (choice A) are expected in DKA but do not directly indicate the severity of acidosis. A serum bicarbonate level of 18 mEq/L (choice B) is low but not as immediately critical as a pH of 7.20. Serum potassium of 5.5 mEq/L (choice D) is elevated, which can occur in DKA due to insulin deficiency, but it is not the most concerning value in this scenario.