Pharmacology Tolazoline is used as: A A thrombin inhibitor in peripheral angiography B A vasodilator in treating coronary artery stenosis during angio procedures C A vasoconstrictor in treatment of varices D An antispasmodic during biliary spasm 💡 Explanation Tolazoline is used as: ✓ Correct Answer: B. A vasodilator in treating coronary artery stenosis during angio procedures