A student asks the pharmacy instructor what the difference is between the diuretics spironolactone (Aldactone) and furosemide (Lasix). What would the instructor reply?
A) Potassium losses are lower with spironolactone.
B) Potassium losses are greater with spironolactone.
C) Water losses are greater with spironolactone.
D) Sodium losses are greater with spironolactone.
A
Feedback:
Spironolactone is a potassium sparing diuretic; therefore, it promotes retention of potassium. Furosemide promotes greater water, sodium, and potassium losses than spironolactone.
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