Test Bank for Basic Arrhythmias, 8th Edition

Basic Arrhythmias, 8e (Walraven) Chapter 2 Waves and Measurements 1) When an EKG machine is turned on but not yet connected to the patient, the stylus produces a straight line called the ________ line. A) equal force B) isoelectric C) standard D) straight Answer: B Page Ref: 15 Learning Obj.: 2.1 2) The EKG machine produces an upright deflection on the graph paper if the flow of electricity is toward the ________ electrode. A) positive B) negative C) straight D) inverted Answer: A Page Ref: 15 Learning Obj.: 2.3 3) The horizontal lines on the EKG graph paper measure: A) time. B) speed. C) pattern. D) voltage. Answer: D Page Ref: 18 Learning Obj.: 2.2 4) The vertical lines on the EKG graph paper measure: A) time. B) speed. C) pattern. D) voltage. Answer: A Page Ref: 19 Learning Obj.: 2.2 1 Copyright © 2017 Pearson Education, Inc. 5) The distance between two “tic” marks is ________ sec. A) 3 B) 4 C) 5 D) 6 Answer: A Page Ref: 18 Learning Obj.: 2.2 6) On EKG graph paper, the time between two heavy vertical lines is five small boxes, or ________ sec. A) 0.04 B) 0.08 C) 0.12 D) 0.20 Answer: D Page Ref: 19 Learning Obj.: 2.2 7) On EKG graph paper, the distance in time between two light vertical lines, or across one small square, is ________ sec. A) 0.04 B) 0.08 C) 0.12 D) 0.20 Answer: A Page Ref: 19 Learning Obj.: 2.2 8) A series of cardiac cycles makes up a(n): A) EKG rhythm strip. B) QRS complex. C) P-P interval. D) wave segment. Answer: A Page Ref: 20 Learning Obj.: 2.4 9) The deflections above and below the isoelectric line are referred to as: A) intervals. B) segments. C) pauses. D) waves. Answer: D Page Ref: 21 Learning Obj.: 2.3 2 Copyright © 2017 Pearson Education, Inc. 10) The short period of electrical inactivity between the end of the P wave and the start of the QRS complex is called the: A) P pause. B) PR segment. C) PR interval. D) PR pause. Answer: B Page Ref: 22 Learning Obj.: 2.3 11) The PR interval begins at the first sign of the P wave and ends at the first sign of the next deflection, which is called the: A) T wave. B) S wave. C) PR segment. D) QRS complex. Answer: D Page Ref: 22 Learning Obj.: 2.3 12) The PR interval reflects all ________ activity. A) mechanical B) atrial C) cardiac D) ventricular Answer: B Page Ref: 22 Learning Obj.: 2.3 13) Which of the following is NOT a normal QRS measurement? A) 0.08 B) 0.20 C) 0.11 D) 0.06 Answer: B Page Ref: 24 Learning Obj.: 2.3 14) No impulse can cause depolarization during the ________ refractory period. A) original B) absolute C) relative D) impulse Answer: B Page Ref: 27 Learning Obj.: 2.3 3 Copyright © 2017 Pearson Education, Inc. 15) A strong impulse can cause a premature abnormal discharge during the ________ refractory period. A) original B) absolute C) relative D) impulse Answer: C Page Ref: 27 Learning Obj.: 2.3 16) Which of the following best describes the elements of a single cardiac cycle? A) P wave, PR segment, and PR interval B) P wave and QRS complex C) QRS complex, ST segment, and T wave D) P wave, PR segment, PR interval, QRS complex, and T wave Answer: D Page Ref: 21 Learning Obj.: 2.4 4 Copyright © 2017 Pearson Education, Inc.