For a client with diabetes mellitus, which new lab finding is the greatest concern?
Potassium 5.0 mEq/L.
Creatinine 4.4 mg/dL.
Hemoglobin 10.7 g/dL.
Blood Urea Nitrogen (BUN) 22 mg/dL.
The Correct Answer is D
Choice A Reason
A potassium level of 5.0 mEq/L is at the upper limit of the normal range, which is typically between 3.5 and 5.0 mEq/L. While this level should be monitored, especially in the context of diabetes where the patient may be at risk for hyperkalemia due to potential kidney issues, it is not immediately alarming¹.
Choice B Reason
A creatinine level of 4.4 mg/dL is significantly higher than the normal range of 0.6 to 1.2 mg/dL for males and 0.5 to 1.1 mg/dL for females. This indicates severe renal impairment or kidney failure, which is a serious complication of diabetes mellitus. Immediate intervention is required to address this critical issue¹.
Choice C Reason
A hemoglobin level of 10.7 g/dL is slightly below the normal range for adults, which is generally 13.8 to 17.2 g/dL for males and 12.1 to 15.1 g/dL for females. This could indicate mild anemia, which can be a complication of diabetes but is not as immediately concerning as a high creatinine level¹.
Choice D Reason
A Blood Urea Nitrogen (BUN) level of 22 mg/dL is within the normal range, which is typically between 7 and 20 mg/dL. This level does not indicate immediate concern and is not as critical as the elevated creatinine level¹.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Choice A Reason
A blood pressure of 120/80 mmHg is considered within the normal range and is an ideal target for most individuals being treated for hypertension. This finding would not typically alert the nurse to a side effect of lisinopril.
Choice B Reason
Serum potassium of 5.5 mEq/L is higher than the normal range, which is typically between 3.5 and 5.0 mEq/L. Lisinopril can cause hyperkalemia, which is an elevated level of potassium in the blood. This is a known side effect of lisinopril, especially in clients with renal impairment, as it inhibits the renin-angiotensin-aldosterone system and reduces potassium excretion.
Choice C Reason
A heart rate of 80 beats per minute is within the normal range for adults, which is typically 60-100 beats per minute at rest. This finding would not alert the nurse to a side effect of lisinopril.
Choice D Reason
A respiration rate of 16 breaths per minute is within the normal range for adults, which is typically 12-20 breaths per minute at rest. This finding would not alert the nurse to a side effect of lisinopril.
Correct Answer is B
Explanation
Choice A Reason:
Using accessory muscles while breathing is a sign of respiratory distress and indicates that the client is working harder to breathe. This is not a desired outcome of treatment and suggests that the asthma exacerbation is not under control.
Choice B Reason:
The ability to answer questions in full sentences suggests that the client's airway is not severely obstructed, which is a positive sign of effective asthma treatment. When asthma is well-controlled, individuals should not experience significant shortness of breath that limits their ability to speak.
Choice C Reason:
Diminished breath sounds can be a sign of severe airway obstruction and are not indicative of effective asthma treatment. Ideally, lung auscultation should reveal clear breath sounds without wheezing, indicating good air movement throughout the lungs.
Choice D Reason:
Restlessness and anxiety can be symptoms of hypoxia, a condition where the body or a region of the body is deprived of adequate oxygen supply. This is not a sign of effective asthma treatment and may indicate that the client's asthma is not well-managed.

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