38. A patient with chronic heart failure takes an ACE inhibitor and a beta-blocker. From a medicinal perspective, what is the technical pathophysiological rationale for using a beta-blocker in chronic heart failure?
A.
To increase heart rate.
B.
To block the effects of sympathetic nervous system activation, reducing myocardial oxygen demand and improving cardiac remodeling.
✓
C.
To increase preload.
D.
To dilate peripheral blood vessels.
📖 Additional Information
To increase heart rate.
To block the effects of sympathetic nervous system activation, reducing myocardial oxygen demand and improving cardiac remodeling.
