Lehne's Pharmacology For Nursing Care Ch 3 Exam Questions (51 Terms) With Verified Definitions Updated 2024

b) Peripheral vasodilation c) Coronary vasodilation {Ans: The nurse is caring for a patient with hypertension who is receiving verapamil [Calan]. The patient has a healthy heart. What pharmacodynamic effects does the nurse expect from this drug? (Select all that apply.) a) Peripheral vasoconstriction b) Peripheral vasodilation c) Coronary vasodilation d) Increased heart rate e) Increased force of contraction}Calcium channels {Ans: gated open pores in the cytoplasmic membrane that regulate entry of calcium ions into cells}AV conduction {Ans: Regulation of _____________ plays a critical role in coordinating contraction of the ventricles with contraction of the atria}calcium entry {Ans: The excitability of AV nodal cells is regulated by what?}contraction {Ans: In vascular smooth muscle, calcium channels regulate through what?}c) Beta1 {Ans: Calcium channel blockers work by reducing calcium influx into the cells of the heart and blood vessels. Calcium channels are coupled to which type of autonomic nervous system receptors? a) Alpha1 b) Alpha2 c) Beta1 d) Beta2}1) Angina pectoris 2) Essential hypertension 3) Cardiac dysrhythmias {Ans: What are the therapeutic uses of verapamil?}Nifedipine {Ans: What CCB acts mainly on blood vessels?}verapamil {Ans: What is the only phenylalkylamine?}Beta1 adrenergic {Ans: Calcium