EXERCISES, LESSON 8
REQUIREMENTS: The following exercises are to be answered by marking the lettered
response that best answers the question; or by completing the incomplete statement; or
by writing the answer in the space provided at the end of the question.
After you have completed all the exercises, turn to "Solutions to Exercises," at
the end of the lesson, and check your answers with the solutions.
Which of these conditions is/are treated with diuretics?
b. Congestive heart failure.
c. Diabetes mellitus.
2. Select the statement that best describes the mechanism of action for the
a. Thiazide diuretics cause sodium diuresis and potassium
retention by acting as an aldosterone competitive antagonist.
b. Thiazide diuretics produce a diuresis of water by drawing water from the
cells in the body and thus by increasing the glomerular filtrate.
c. Thiazide diuretics work by the inhibition of sodium reabsorption in the first
portion of the distal tubule.
d. Thiazide diuretics inhibit sodium transport--and thus sodium excretion--in
the ascending limb of the Loop of Henle, the distal tubule, and in the proximal tubule.
Mannitol is used to __________________________.
a. Prevent or treat acute liver failure.
b. Treat dehydration and electrolyte imbalance.
c. Promote the excretion of toxic substances in the urine.
d. Treat epilepsy.