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Chapter 27- Management of Patients With Dysrhythmias and Conduction

Chapter 27- Management of Patients With Dysrhythmias and Conduction

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Brunner: Medical-Surgical Nursing, 11 th Edition Test Bank Chapter 27: Management of Patients With Dysrhythmias and Conduction Problems Multiple Choice 1. The nurse notes that leads I, II, and III differ from one another on the cardiac rhythm strip because: A) The view of the electrical current changes in relation to the lead placement. B) Conduction of the heart differs with lead placement. C) Electrocardiogram (ECG) equipment has malfunctioned. D) The circadian rhythm has changed. Ans: A Chapter: 27 Cognitive Level: Analysis Difficulty: Moderate Integrated Process: Nursing Process Objective: 2 Patient Needs: D-4 Feedback: Each lead offers a different reference point to view the electrical activity of the heart. The lead displays the configuration of electrical activity of the heart. 2. The nurse evaluating a rhythm strip notes that the wave forms that move to the top of the strip indicate:

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3. While analyzing a rhythm strip, the nurse identifies the resting state of the heart by looking at the: 4. An adult patient has damage to the electrical conduction of the ventricles of the heart. The nurse would expect to see changes in the:
5. To find the heart rate from an ECG strip of a patient with a normal sinus rhythm, the nurse counts 20 small boxes between two R waves. The heart rate would be: A) 75 beats/min B) 80 beats/min C) 60 beats/min D) 140 beats/min Ans: A Chapter: 27 Cognitive Level: Application Difficulty: Moderate Integrated Process: Nursing Process Objective: 3 Patient Needs: D-1 Feedback: The calculation to determine the heart rate on an ECG strip counting the number of small boxes between R waves is 1500 divided by the number of R waves (1500 divided by 20 equals 75).

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