Stage C Patients Usually Require a Combination of Three to Four

Stage C patients usually require a combination of three to four drugs to manage their heart failure. In addition to ACE inhibitors and beta blockers, diuretics may be added. Which of the following statements about diuretics is NOT true?

A) Diuretics reduce preload associated with fluid retention.
B) Diuretics can be used earlier than stage C when the goal is control of hypertension.
C) Diuretics may produce problems with electrolyte imbalances and abnormal glucose and lipid metabolism.
D) Diuretics from the potassium-sparing class should be used when using an angiotensin receptor blocker (ARB) .