Difficulty: Easy

Average Score: 100%

Why is it likely that a patient with high blood pressure is prescribed a diuretic drug?

Rationale

To increase urine flow, and to decrease total blood volume that must be pumped is why a patient with high blood pressure is likely prescribed a diuretic drug.

Diuretic drugs are commonly prescribed to patients with high blood pressure because they help remove excess fluid from the body through increased urination. This, in turn, reduces the total volume of blood that the heart has to pump, thereby reducing the pressure exerted on the walls of the arteries and lowering blood pressure.

A (To increase urine flow, and to decrease total blood volume that must be pumped) CORRECT

This is the correct answer. Diuretics work by increasing urine production, which helps to remove excess fluid from the body. This decrease in fluid volume reduces the total amount of blood that the heart has to pump, leading to a decrease in blood pressure.

B (To decrease urine flow, to increase total blood volume that must be pumped) YOUR ANSWER

This choice is incorrect. Diuretics increase, not decrease, urine flow. Also, increasing the total blood volume that must be pumped would actually raise blood pressure, not lower it.

C (To increase urine flow, and to make the blood less viscous and easier to pump) YOUR ANSWER

While diuretics do indeed increase urine flow, they do not necessarily make the blood less viscous and easier to pump. The main function of diuretics is to decrease fluid volume, not to alter the physical properties of the blood.

D (To increase urine flow, and to increase the total blood volume that must be pumped) YOUR ANSWER

This option is incorrect. While it is true that diuretics increase urine flow, they decrease the total blood volume that must be pumped. Increasing the volume of blood that the heart has to pump would actually raise blood pressure, not lower it.

Conclusion

Diuretic drugs are typically prescribed to patients with high blood pressure to increase urine flow and decrease total blood volume that must be pumped. This helps to lower blood pressure by reducing the amount of work the heart has to do. The other options, which suggest either decreasing urine flow or increasing the volume of blood to be pumped, would not have the desired effect of lowering blood pressure.

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