*NURSING > EXAM > TEST BANK FOR ECGS MADE EASY 6TH EDITION BY BARBARA Chapter 05: Junctional Rhythms (All)
TEST BANK FOR ECGS MADE EASY 6TH EDITION BY BARBARA Chapter 05: Junctional Rhythms
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Chapter 05: Junctional Rhythms Test Bank TRUE/FALSE 1. The AV junction consists of the AV node and the nonbranching portion of the bundle of His. ANS: T OBJ: Describe the location, function, and (wher... e appropriate), the intrinsic rate of the following structures: sinoatrial (SA) node, atrioventricular (AV) bundle, and Purkinje fibers. 2. An escape rhythm is initiated by a lower pacemaker site when the sinoatrial (SA) node slows or fails to initiate an impulse. ANS: T OBJ: Describe the location, function, and (where appropriate) the intrinsic rate of the following structures: sinoatrial (SA) node, atrioventricular (AV) bundle, and Purkinje fibers. 3. Adenosine is the drug of choice when treating a symptomatic patient with a junctional rhythm at a rate of 40 beats/min. ANS: F Atropine (not adenosine) is the drug of choice when treating a symptomatic patient with a junctional rhythm at a rate of 40 beats/min. OBJ: Describe the ECG characteristics, possible causes, signs and symptoms, and initial emergency care for a junctional escape rhythm. 4. The pacemaker cells in the AV junction are located near the nonbranching portion of the bundle of His. ANS: T OBJ: Describe the location, function, and (where appropriate) the intrinsic rate of the following structures: sinoatrial (SA) node, atrioventricular (AV) bundle, and Purkinje fibers. [Show More]
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