The group of drugs that reduce the heart's oxygen demand by decreasing the heart rate is known as the:
A. organonitrates
B. beta-adrenergic blockers
C. calcium channel blockers
D. antiarrhythmic agents
b
Rationale: The beta-adrenergic blockers (also known as beta-blockers or b-blockers) reduce the heart's oxygen demand by decreasing the heart rate.
Health Professions
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