Understanding EKG's: A practical approach Chapter 5 Review Questions Solved 100% Correct

Relaxation - ANSWER-Ventricular Diastole refers to ventricular: The electrocardiograph is used to: - ANSWER-Evaluate electrical activity in heart The PR interval should normally be_____________second or smaller - ANSWER-.20 The QRS interval should normally be ____________second or smaller - ANSWER-.12 Ventricles depolarize and contract - ANSWER-The QRS complex is produced when 1. SA node 2. Purkinje Fibers 3. Bundle of His 4. AV node 5. Bundle Branches 6. Intermodal pathways - ANSWER-Normal Conduction pattern of the heart: Rest Period - ANSWER-The T wave of the EKG strip represents: Two - ANSWER-Coronary circulation has how many main arteries: Patient Clinical Appearance - ANSWER-When interrupting dysrhythmias, the health care provider should remember that the most important key is the: Electrocardiogram - ANSWER-Graphic Record of the electrical activity of the heart is: True - ANSWER-When EKG analysis serves as a useful diagnostic tool, the health care professional must be congnizant of the fact that the EKG is a graphic tracing of the electrical activity of the heart but not the mechanical activity: True - ANSWER-The ground lead services to minimize outside interference: Electrodes - ANSWER-Exact portion of the heart being visualized depends, in large part, on the placement of the: P - ANSWER-Lead 2 is most commonly used for cardiac monitoring because of it's ability to visualize _______ waves: