Which of the following statements about furosemide and potassium is true?
Furosemide can cause hyperkalemia.
Furosemide is contraindicated in patients with potassium allergies.
Furosemide can increase potassium levels in the body.
Furosemide is a diuretic that may require potassium supplementation
The Correct Answer is D
A. Furosemide typically causes hypokalemia (low potassium), not hyperkalemia.
B. There is no such thing as a potassium allergy; this statement is incorrect.
C. Furosemide does not increase potassium levels; it promotes potassium excretion.
D. Furosemide is a loop diuretic that increases the excretion of potassium in urine, so patients often require potassium supplementation to prevent hypokalemia.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A. Ventricular fibrillation is a life-threatening arrhythmia, not a compensatory mechanism for heart failure.
B. Increased intracranial pressure (ICP) is unrelated to heart failure compensation.
C. The renin-angiotensin-aldosterone system (RAAS) is activated in heart failure to maintain blood pressure and perfusion. This leads to sodium and water retention, causing fluid buildup and edema.
D. Atrial flutter is a cardiac arrhythmia, not a compensatory mechanism causing fluid retention.
Correct Answer is D
Explanation
A. Distended abdomen is more commonly associated with right-sided heart failure due to liver congestion and ascites.
B. Anorexia can be a nonspecific symptom and is not a primary indicator of left-sided heart failure.
C. Weight gain and edema in both legs are typical signs of right-sided heart failure, caused by systemic venous congestion.
D. Breathlessness (dyspnea) accompanied by crackles and wheezes indicates pulmonary congestion and fluid buildup, which are classic signs of left-sided heart failure where the heart fails to effectively pump blood out to the body, causing fluid to back up into the lungs.
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