AACN CMC Exam Practice Questions and Answers

AACN CMC Exam Practice Questions and Answers What percentage of ventricular filling is passive and what percentage is atrial kick? - Ans:-Passive - 75% Atrial kick -- 25-35% What 3 components make up stroke volume? - Ans:-Preload Afterload Contractility Uses of beta blockers - Ans:-HTN Classic angina (Coronary artery obstruction) Ventricular and Supraventricular arrhythmia's ACS Heart failure ©GRACEAMELIA 2024/2025 ACADEMIC YEAR. ALL RIGHTS RESERVED FIRST PUBLISH OCTOBER 2024 Page 2/16 Hypertrophic cardiomyopathy Clinical effects of beta blockers - Ans:-Decreased heart rate Decreased contractility Decreased automaticity Decreased conduction velocity Decreased renin release (kidneys) Cardioselective beta blockers - Ans:-Block Beta 1 receptors N-AMEBA Nebivolol Atenolol Metoprolol** Esmolol Bisoprolol** ©GRACEAMELIA 2024/2025 ACADEMIC YEAR. ALL RIGHTS RESERVED FIRST PUBLISH OCTOBER 2024 Page 3/16 Acebutolol **are usually used in patients with CHF with co-morbid COPD, asthma Alpha/Beta Blockers - Ans:-Labetalol -- HTN emergencies Carvedilol -- Heart failure nonselective beta blockers - Ans:-Block Beta 1 and Beta 2 blockers Propranolol Sotalol Timolol Nadolol Oxprenolol ©GRACEAMELIA 2024/2025 ACADEMIC YEAR. ALL RIGHTS RESERVED FIRST PUBLISH OCTOBER 2024 Page 4/16 Penbutolol Pindolol Effects of CCBs - Ans:-Heart -- Decreased heart rate Decreased conduction velocity Decreased contractility Blood vessels -- Coronary vasodilation (prevent vasospasm) Peripheral vasodilation (after load reduction) Uses of CCBs - Ans:-HTN - dihydropyridines -pines Angina (vasospasm and classic) Arrhythmias (diltiazem) Hypertrophic cardiomyopathy ©GRACEAMELIA 2024/2025 ACADEMIC YEAR. ALL RIGHTS RESERVED FIRST PUBLISH OCTOBER 2024 Page 5/16 If you suspect a beta blocker or CCB overdose, how do you differentiate? - Ans:-Check a blood sugar Tend to have hyperglycemia with CCB overdose What is the role of the kidney is heart failure? - Ans:-Juxtaglomerular cells on the afferent arteriole release renin when renal blood flow is reduced What are the effects of ACE and ARBs? - Ans:-preload and afterload reduction due to venous and arterial vasodilation What is the aldosterone blocker? What are the unwanted side effects? - Ans:-spironolacton