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. Sodium intake should be limited, not increased, to help manage fluid retention in heart failure.
B. The recommended sodium limit for heart failure patients is usually 2 grams (2000 mg) per day, not 8 grams.
C. Recognizing symptoms like chest pain, dyspnea, or fatigue as signs to slow activity shows understanding of safe activity progression in heart failure.
D. Diuretics are generally taken earlier in the day to avoid nocturia, and fluid intake is usually monitored or restricted depending on the client’s condition, not increased to 4 liters daily.
Correct Answer is A
Explanation
A. Decorticate posturing is characterized by arms flexed at the elbows with wrists and fingers bent inward toward the chest, indicating damage to the cerebral hemispheres or corticospinal tract.
B. Grimacing and leg movement with neck flexion describe a positive Brudzinski’s sign, related to meningeal irritation, not posturing.
C. Inability to extend the leg with hip flexion causing pain describes a positive Kernig’s sign, also related to meningeal irritation.
D. Arms extended and rigid with palms turned outward describe decerebrate posturing, indicating more severe brainstem injury.
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