A nurse is reviewing the laboratory values for a client who has heart failure and is taking bumetanide for diuresis. For which of the following results should the nurse notify the provider?
Potassium 2.3 mEq/L (3.5-5)
Magnesium 14 mEq/L (1.3-2.1)
Carcum to mg/dL (9.9-10.5)
Sodium 136 mEq/L (136-145)
The Correct Answer is A
A. Potassium 2.3 mEq/L (3.5-5.0): This is a severely low potassium level (hypokalemia), which can cause dangerous arrhythmias, especially in a client with heart failure. Bumetanide is a loop diuretic, which can deplete potassium levels.
B. Magnesium 1.4 mEq/L (1.3-2.1): Although the magnesium level is on the lower end of normal, it is not a critical value, and the primary concern here is the potassium level.
C. Calcium 10 mg/dL (9.9-10.5): This is a normal calcium level, so there is no need to notify the provider based on this result.
D. Sodium 136 mEq/L (136-145): This is a normal sodium level, so it would not warrant notifying the provider. The critical concern is the hypokalemia.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A. Late ventricular repolarization: Late ventricular repolarization is represented by the T wave on an ECG, not the P wave.
B. Ventricular depolarization: Ventricular depolarization is represented by the QRS complex, not the P wave.
C. Early ventricular repolarization: Early ventricular repolarization is not related to the P wave. It is part of the T wave, which represents repolarization of the ventricles.
D. Atrial depolarization: The P wave represents atrial depolarization, which is the electrical activity that triggers the contraction of the atria.
Correct Answer is A
Explanation
A. Shortness of breath while lying down: Orthopnoea is a common symptom of left-sided heart failure due to pulmonary congestion.
B. Pitting edema of the lower legs: Pitting edema is more commonly associated with right-sided heart failure, which leads to systemic venous congestion.
C. Right upper quadrant pain: Right upper quadrant pain is often associated with right-sided heart failure due to hepatic congestion, not left-sided heart failure.
D. Jugular venous distention: Jugular venous distention is a sign of right-sided heart failure, where there is systemic venous congestion.
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