Chronotropic Study guides, Class notes & Summaries

Final Exam: NR224/ NR 224 Fundamentals – Skills Final Exam Review| Comprehensive Guide with Verified Answer| (2023/2024) Latest Update| 100% Correct |Chamberlain Q: A nurse is explaining to a group of nursing students the various factors that can affect a client's heart rate. List 5 factors that can cause tachycardia and 5 factors that can cause bradycardia. Answer: Tachycardia: -Exercise -Fever/heat -Anxiety -Loss of blood -Positive chronotropic drugs Bradycardia: -Hypothermia ...

Patho Hesi Review Questions and Answers Already Passed A dissecting aneurysm is dangerous due to the fact that there is a tear in which layer of the vessel wall? Inner, middle, outer. medial layer- allows blood to seep into the middle layer A Pulmonary embolus can cause what kind of shock? obstructive shock A patient has type II diabetes, what symptoms should he expect? Select all that apply A. Extreme Hunger B. Excessive thirst C. Polyuria D. Salt craving E. Quick accumulation of fat A, ...

The nurse is aware that adrenergic drugs produce effects similar to which of these nervous systems? a. Central nervous system b. Somatic nervous system c. Sympathetic nervous system d. Parasympathetic nervous system correct answer: ANS: C Adrenergic drugs mimic the effects of the sympathetic nervous system. When an adrenergic drug stimulates beta1-adrenergic receptors, the result is an increased force of contraction, which is known as what type of effect? a. Positive inotropic b. Anti...

Absolute Contraindications to Exercise Testing - ANSWER • A recent significant change in the resting ECG suggesting significant ischemia, recent MI (within 2 d), or other acute cardiac event • Unstable angina • Uncontrolled cardiac dysrhythmias causing symptoms or hemodynamic compromise • Symptomatic severe aortic stenosis • Uncontrolled symptomatic heart failure • Acute pulmonary embolus or pulmonary infarction • Acute myocarditis or pericarditis • Suspected or known di...

NCLEX PN ACTUAL 2023 EXAM Questions Test Bank (NCLEX-PN) (2023 Update) WITH Questions and ANSWERS Exam A QUESTION 1 To appropriately monitor therapy and client progress, the nurse should be aware that increased myocardial work and O2 demand will occur with which of the following? A. Positive inotropic therapy B. Negative chronotropic therapy C. Increase in balance of myocardial O2 supply and demand D. Afterload reduction therapy Correct Answer: A Section: Questions Set A Explanatio...

Pharmacokinetics - Answer-When a drug enters the body Pharmacodynamics - Answer-How drugs exert effects 7 Routes of Administration - Answer-Oral, IV, IM, SC, intraperitoneal, intraarterial, intradermal Agonist, Partial Agonist, and Antagonist - Answer-Perfect Fit, Almost Fits, Blocks Action Affinity vs. Efficacy - Answer-How well it binds to receptor (Agonist vs. Antagonist) vs. how well the drug performs Trade Name Vs. Genetic Name - Answer-Trade - patented name (rimadyl) vs. Genetic - u...

NUR 652 Final Exam Study Questions with Answers All Correct 2023. Why are nitrate-free periods every 24 hours necessary for the patient on nitroglycerin therapy? To inhibit the development of tolerance What does a low level of thyroid-stimulating hormone indicate? Hyperthroidism What would be the best option to treat a newly diagnosed patient with a low TSH level with? Propanolol (Inderal) Spironoaldactone (Aldactone) has what mechanism of action (MOA)? Aldosterone antagonist Heparin exer...

Dobutamine- Chronotropic correct answers Used to treat cardiogenic shock Cardiac output, preload, and contractility Venous vasodilator Inotropic medication Use when systolic is 70-100 Dopamine- Chronotropic correct answers Used to treat shock Vasoconstrictor Cardiac output, afterload, and contractility Inotropic medication Use when systolic is <70 and with signs of shock, bradycardia, hypotension Dose: 2-20 mcg/kg/min infusion titrated based on clinical re...

Chapter: Chapter 04 - Quiz Multiple Choice 1. Cardiac cells are able to generate an impulse to contract even without an external stimulus. This is called: A) excitability. B) action potential. C) automaticity. D) chronotropic effect. Ans: C Complexity: Easy Ahead: Anatomy and Physiology Subject: Chapter 4 Title: Cardiovascular Function 2. On an electrocardiogram (EKG), the P wave represents: A) atrial depolarization. B) ventricular depolarization. C) atrial repolarization. D) ve...

In assessing a patient before administration of a cardiac glycoside, the nurse knows that what condition can predispose a patient to digitalis toxicity? A. Hypokalemia B. Hyperkalemia C. Hypocalcemia D. Hypernatremia correct answer: A. Hypokalemia; control ventricular response to atrial fibrillation and a derived from foxglove. Digoxin is the only available cardiac glycoside---positive inotropic---inhibits sodium potassium pump (adenosine tripphophatase) Sodium and calcium rise. Cholinergic...