Lewis's Medical-Surgical Nursing, 11th Edition Chapter 31 - 37 Review Questions Exam Practice Questions and Answers
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Course
Lewis Medical Surgical Nursing
Institution
Lewis Medical Surgical Nursing
Lewis's Medical-Surgical Nursing, 11th Edition
Chapter 31 - 37 Review Questions Exam Practice
Questions and Answers
Which aspect of the heart's action does the QRS complex on the ECG represent?
Depolarization of the atria
Repolarization of the ventricles
Depolarization from atrioventricular (...
Cardiac output is determined by multiplying the patient's stroke volume by heart rate, thus identifying
how much blood is pumped by the heart over a 1-minute period. Electrical activity of the heart and
blood pressure are not direct components of cardiac output.
The nurse is performing an assessment for a patient with fatigue and shortness of breath. Auscultation
reveals a heart murmur. What does this assessment finding indicate?
Increased viscosity of the patient's blood
Turbulent blood flow across a heart valve
Friction between the heart and the myocardium
A deficit in conductivity impairs normal contractility - Ans:✔✔-Turbulent blood flow across a heart valve
Rationale:
Turbulent blood flow across the affected valve results in a murmur. A murmur is not a direct result of
variances in blood viscosity, conductivity, or friction between the heart and myocardium.
A nurse is preparing to teach a group of women in a community volunteer group about heart disease.
What should the nurse include in the teaching plan?
Women are less likely to delay seeking treatment than men.
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