LPN Custom Mental Health

Extract:

Question 1 of 5

A nurse is reviewing the admission laboratory values for a client who has a history of bulimia nervosa. Which of the following findings is the nurse's priority?

A. Potassium 2.8 mEq/L B. Serum chloride 96 mEq/L C. Hgb 11 g/dL D. Serum amylase 240 units/L

Correct Answer: A

Rationale: Potassium 2.8 mEq/L. Hypokalemia (low potassium) is a critical finding and a priority in individuals with a history of bulimia nervosa, as it can lead to life-threatening complications such as cardiac arrhythmias and muscle weakness. Frequent vomiting and laxative use, common behaviors in bulimia nervosa, can result in significant potassium loss. A potassium level of 2.8 mEq/L is significantly below the normal range and requires immediate attention. Serum chloride 96 mEq/L: While this value is within the normal range, it should be monitored. However, it is not as critical as addressing severe hypokalemia. Hemoglobin (Hgb) 11 g/dL: This hemoglobin level is within the normal range and does not require immediate attention. It may be influenced by factors other than bulimia nervosa, and addressing hypokalemia is more urgent. Serum amylase 240 units/L: Elevated amylase levels may indicate pancreatic inflammation, which could be related to bulimia nervosa, but it is not as urgent as addressing severe hypokalemia. The priority is managing the life-threatening electrolyte imbalance first.

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