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Chapter 35: Dysrhythmias Lewis: Medical-Surgical Nursing, 10th Edition Questions and Answers Grade A+ 2023
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To determine whether there is a delay in impulse conduction through the ventricles, the nurse will measure the duration of the patient's a. P wave. c. PR interval. b. Q wave. d. QRS complex. - -ANS: D The QRS complex represents ventricular depolarization. The P wave represents the depolarization of the atria. The PR interval represents depolarization of the atria, atrioventricular node, a bundle of His, bundle branches, and the Purkinje fibers. The Q wave is the first negative deflection following the P wave and should be narrow and short. Cognitive Level: Understand (comprehension
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