Answer to Question 1
A
Diuretics help reduce fluid volume overload, which, by reducing pulmonary edema, can improve exercise tolerance. Diuretics do not improve cardiac output. ACE inhibitors are used to prevent cardiac remodeling and to improve long-term survival.
Answer to Question 2
C
Patients taking nitroglycerin should not take sildenafil. Having BPH is not a contraindication. Mild hypertension requires caution but is not a contraindication. Patients with BPH taking finas-teride may take sildenafil.