The group of drugs that inhibit movement of calcium ions into cardiac and smooth muscle cells and cause vasodilation is known as the:
A. calcium channel blockers
B. antiarrhythmic agents
C. nitrates
D. alpha-adrenergic blockers
a
Rationale: The calcium channel blockers inhibit the movement of calcium ions into cardiac and smooth muscle cells of the coronary and systemic arterial beds. All calcium channel blockers are vasodilators that cause a decrease in smooth muscle tone and vascular resistance.
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