Kaiser posttest rhythms & heart blocks Questions with Complete Solutions (Latest 2025) A sinus pause occurs with which of the following?The SA node fails to discharge an impulse The impulse is delivered by a secondary pacemaker The cardiac rhythm decreases below 60 beats per minute Cardiac arrest occurs - Correct Answers ✅The SA node fails to discharge an impulse Atrial fibrillation can be a chronic condition and well tolerated.True False - Correct Answers ✅True What is a single ectopic beat that occurs as the result of an irritable focus in the atria called?Premature atrial complex (PAC) Premature junctional complex (PJC) Premature ventricular complex (PVC) Ventricular fibrillation (VF) - Correct Answers ✅Premature atrial complex (PAC) Caffeine, alcohol, and fatigue can be likely causes for (Select all that apply.) Atrial flutter 1 / 4
Kaiser posttest rhythms & heart blocks Questions with Complete Solutions (Latest 2025) Sinus pause Atrial fibrillation Ventricular tachycardia - Correct Answers ✅Atrial flutter Atrial fibrillation Ventricular tachycardia When evaluating a patient with sinus arrest, count the number of boxes between the P waves, and multiply that number by 0.01 0.02 0.04 0.05 - Correct Answers ✅0.04 In sinus arrhythmia, which of the following intervals remains regular?P-to-P interval R-to-R interval PR interval QRS complex - Correct Answers ✅PR interval The term for a sinus rhythm with a rate less than 60 beats per minute is 2 / 4
Kaiser posttest rhythms & heart blocks Questions with Complete Solutions (Latest 2025) Atrial Sinus Bradycardia Dysrhythmia Tachycardia - Correct Answers ✅Sinus Bradycardia A way to determine if you are looking at a junctional or atrial arrhythmia is to look at the ECG characteristics of the _____.Heart rate PR interval P wave QRS complex - Correct Answers ✅PR interval Which of the following conditions may cause sinus tachycardia?Dehydration Heart block Hypothermia Hypothyroidism - Correct Answers ✅Dehydration Which of the following is an accurate statement about sinus bradycardia?Atrial and ventricular rhythm is irregular Atrial and ventricular rate is 40-60 beats per minute 3 / 4
Kaiser posttest rhythms & heart blocks Questions with Complete Solutions (Latest 2025) The duration of the QRS is greater than 1.10 seconds Ventricular rate is 60-100 beats per minute - Correct Answers ✅Atrial and ventricular rate is 40-60 beats per minute When you have a regular atrial and ventricular rhythm with a normal QRS and PRI, and the atrial and ventricular rate is between 100-150 bpm, this rhythm would be identified as a Normal sinus rhythm Sinus arrhythmia Sinus bradycardia Sinus tachycardia - Correct Answers ✅Sinus tachycardia Which of the following drugs may cause sinus bradycardia?Atropine Digoxin Dopamine Ephinephrine - Correct Answers ✅Digoxin Any ectopy should be cause for concern in healthy people.True False - Correct Answers ✅False
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