Loop diuretics have one of the following qualities:
Potassium sparing
Potassium depleting
Less potent as a diuretic
Increases the reabsorption of water
The Correct Answer is B
A. Potassium sparing: Loop diuretics are not potassium-sparing; they increase potassium excretion.
B. Potassium depleting. Loop diuretics, such as furosemide, promote the excretion of sodium, potassium, and water.
C. Less potent as a diuretic: Loop diuretics are among the most potent diuretics available.
D. Increases the reabsorption of water: Loop diuretics inhibit water reabsorption by blocking sodium and chloride reabsorption in the loop of Henle.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A. Potassium: Potassium levels may rise in kidney dysfunction but are not directly related to increased glomerular permeability.
B. Sodium: Sodium imbalance occurs in kidney dysfunction but is not a direct result of glomerular permeability.
C. Proteins: Increased permeability in glomerulonephritis allows proteins to leak into the urine, resulting in proteinuria.
D. Water: Water imbalance can occur, but it is not related to glomerular permeability.
Correct Answer is D
Explanation
A. Equal to the excretion of urea: Urea excretion contributes to osmolality but does not define it.
B. In a ratio of 10:1 with the serum: This is not a recognized ratio for urine and serum osmolality.
C. Approximately half of the serum: In a healthy kidney, urine osmolality may vary but typically equals serum osmolality in a state of balance.
D. Equal to the osmolality of the serum: Under normal conditions, the kidney regulates urine osmolality to maintain a balance with serum osmolality, reflecting adequate kidney function.
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