Which substances enter the filtrate by active secretion? 1. ...

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Which substances enter the filtrate by active secretion?
 
  1. Hydrogen
  2. Potassium
  3. Phosphate
  4. Chloride
  5. Sodium

Question 2

The diuretic drug that will most likely be used to reduce mortality in heart failure is
 
  1. chlorothiazide (Diuril).
  2. acetazolamide (Diamox).
  3. furosemide (Lasix).
  4. spironolactone (Aldactone).

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Answer to Question 1

Correct Answer: 1,2,3
Rationale 1: Hydrogen is pumped into filtrate by molecular pumps.
Rationale 2: Potassium is pumped into filtrate by molecular pumps.
Rationale 3: Phosphate is pumped into filtrate by molecular pumps.
Rationale 4: Chloride does not enter filtrate by active secretion.
Rationale 5: Sodium does not enter filtrate by active secretion.

Answer to Question 2

Correct Answer: 4
Rationale 1: Chlorothiazide is a thiazide diuretic used primarily for hypertension.
Rationale 2: Acetazolamide is a carbonic anhydrase inhibitor used primarily for patients with glaucoma.
Rationale 3: Furosemide is used for hypertension and reduction of edema.
Rationale 4: Spironolactone is used to reduce mortality in heart failure patients.

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