Chapter 48 Calcium Channel Blockers Practice Questions and Correct Answers

Calcium Channel Blockers Hypertension Angina Pectoris Cardiac dysrhythmias CCBs that target both vascular smooth muscle and the hearts NONdihyrdopyridines Verapamil Diltiazem CCB that targets vascular smooth muscle only DIHYDROPYRIDINES Nifedipine Calcium channel open Contractile process Calcium channel blocked Vasoconstriction Which part of the circulatory system do calcium channel blocker not effect Veins Five Hemodynamic Effects Reduce arterial pressure and heart rate Increase coronary perfusion Decrease av node conduction and force of contraction What reflex do verapamil and dilitiazem induce Baroceptor reflex What do verpamil and dilitizaem not have an effect on Cardiac performance Verapamil Therapeutic uses Angina pectoris Essential Hypertension Cardiac dysrhythmias ( Atrial Flutter, A Fib, tachy) Verapamil Cardinal adverse effect Constipation ( can be decreased by uptake in fiber and fluid ) Verapamil common adverse effects Dizziness Flushing Headache Edema of ankle and feet Gingival hyperplasia Heart block Exacerbate preexisting cardiac disorders