A client with a history of heart failure arrives at the emergency department describing an onset of fatigue and weakness.
The client has been taking spironolactone 50 mg tablets PO every day.
The nurse receives a report from the lab that the client has a serum potassium level of 6.2 mEq/L (6.2 mmol/L). Which intervention is most important for the nurse to implement?
Compare muscle strength bilaterally.
Observe color and amount of urine.
Determine apical pulse rate and rhythm.
Assess strength of deep tendon reflexes.
The Correct Answer is C
Choice A rationale
Comparing muscle strength bilaterally is important in assessing overall physical health and detecting any potential neuromuscular disorders. However, in the context of a client with a history of heart failure and elevated potassium levels, this would not be the most critical intervention. High potassium levels can lead to hyperkalemia, which can cause serious heart rhythm disturbances.
Choice B rationale
Observing the color and amount of urine can provide valuable information about the client’s hydration status and kidney function. In the case of heart failure, monitoring urine output can help assess the effectiveness of diuretic therapy and the progression of the disease. However, it is not the most immediate concern given the client’s high potassium levels.
Choice C rationale
Determining the apical pulse rate and rhythm is the most important intervention in this scenario. A serum potassium level of 6.2 mEq/L is higher than the normal range (3.5-5.0 mEq/L) and can cause life-threatening heart rhythm abnormalities. Therefore, the nurse should prioritize assessing the client’s heart rhythm to detect any abnormalities caused by this electrolyte imbalance.
Choice D rationale
Assessing the strength of deep tendon reflexes can help identify changes in neuromuscular function and is often used in neurological assessments. However, it is not the most critical intervention in the context of elevated potassium levels and heart failure.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Choice A rationale
A blood glucose level of 90 mg/dL (5 mmol/L) is within the normal range and would not need to be reported to the surgeon.
Choice B rationale
A serum creatinine level of 5 mg/dL (442 µmol/L) is significantly elevated, indicating impaired kidney function. This is a critical lab value that should be reported to the surgeon immediately, as it could impact the patient’s ability to safely undergo surgery and recover postoperatively.
Choice C rationale
A hemoglobin level of 13 g/dL (130 g/L) is within the normal range and would not need to be reported to the surgeon.
Choice D rationale
A potassium level of 4 mEq/L (4 mmol/L) is within the normal range and would not need to be reported to the surgeon.
Correct Answer is A
Explanation
Choice A rationale
After a gastric endoscopy, it’s common for patients to experience a sore throat. This is due to the passage of the endoscope through the throat during the procedure. The discomfort is usually temporary and can be relieved with lozenges or gargling with warm salt water.
Choice B rationale
While headaches can occur after procedures that involve sedation, they are not commonly associated with gastric endoscopy specifically. Therefore, while it’s important to monitor for headaches, they are not a typical post-procedure problem following a gastric endoscopy.
Choice C rationale
Aching legs are not a common problem following a gastric endoscopy. The procedure primarily involves the upper gastrointestinal tract, and does not directly affect the legs.
Choice D rationale
Nausea can occur after a gastric endoscopy, but it is more commonly associated with the sedation used during the procedure rather than the procedure itself. If nausea does occur, it can be managed with antiemetic medications.
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