NU641 Week 2 Quiz Study Guide: Antihypertensive Agents Questions With Complete Solutions

Alpha-1 adrenergic receptor stimulation causes: correct answer: vasoconstriction and an increased blood pressure Alpha-1 adrenergic receptor blockade results in: correct answer: vasodilation and reduced blood pressure The only alpha-1 adrenergic receptor blocking drugs used to treat hypertension include: correct answer: prazosin and alfuzin What can occur with the first dose of an alpha-1 receptor blocking agent? correct answer: Orthostatic hypotension Beta adrenergic blocking agents: correct answer: propranolol, metoprolol, esmolol (short-acting), atenolol, nadolol Beta-1 adrenergic stimulation results in: correct answer: increased heart rate, increased blood pressure and increased cardiac output Beta-1 adrenergic blockade results in: correct answer: reduced heart rate, reduced blood pressure and reduced cardiac output Beta blocking agents include: correct answer: nonselective agents (e.g., propranolol) that block beta-2 receptors in the lungs Selective beta blockers block: correct answer: beta-1 receptors in the heart and vasculature What is not used in hypertensive emergencies and why? correct answer: Carvedilol- because it is an alpha and beta receptor blocker