Answer to Question #177835 in Human Anatomy and Physiology for kylie

Question

Which of the following decreases blood volume by increasing the excretion of sodium and fluids?

1. renin.

2. digitalis.

3. nitroglycerin.

4. diuretics. 

Answer 1

Diuretics.

These drugs block the reabsorption of sodium ions in the ascending loop of henle, the early distal tubule, late distal tubule and the collecting duct. This effectively leads to excretion of more sodium and consequently more water hense lowering the blood volume.