Dysrhythmias: Rythm Test – ECG
UPDATED ACTUAL Exam Questions and
CORRECT Answers
What is the appropriate treatment for an unstable patient with atrial flutter and an uncontrolled
ventricular response; HR >150 beats per minute? - CORRECT ANSWER - Defibrillation
Caffeine, alcohol, and fatigue can be likely causes for (Select all that apply.) - CORRECT
ANSWER - Atrial flutter
Sinus pause
Atrial fibrillation
Ventricular tachycardia
Which of the following conditions/situations may cause bradycardia? - CORRECT
ANSWER - Hypoxia
Which of the following is an accurate statement about sinus bradycardia? - CORRECT
ANSWER - Atrial and ventricular rate is 40-60 beats per minute
Sinus tachycardia is defined as a sinus rhythm at a rate of _____. - CORRECT ANSWER -
100-150 bpm
What is the name of the rhythm with an atrial rate greater than 250 beats per minute, a non-
measurable PR interval, and a ventricular rate of 120? - CORRECT ANSWER - Atrial
fibrillation with uncontrolled ventricular rate
The sudden onset or cessation of a dysrhythmia is called? - CORRECT ANSWER -
Paroxysmal
, Which of the following arrhythmias are you likely to see with patients on ventilators, infants and
children, and with the elderly? - CORRECT ANSWER - Sinus arrhythmia
Which of the following conditions may cause sinus tachycardia? - CORRECT ANSWER -
dehydration
What rhythm shows a normal rate, normal QRS and PRI durations, and an absent beat or beats -
CORRECT ANSWER - Sinus pause
A way to determine if you are looking at a junctional or atrial arrhythmia is to look at the ECG
characteristics of the _____. - CORRECT ANSWER - P-Wave
A premature beat that originates in the atria in an area other than the Sinus Node followed by a
normal ventricular response is sometimes referred to as? - CORRECT ANSWER - An
aberrantly conducted premature atrial complex (PAC)
Any ectopy should be cause for concern in healthy people. - CORRECT ANSWER - F
What is the heart's electrical activity dominated by? - CORRECT ANSWER - SA Node
When atropine is ineffective for symptomatic sinus bradycardia, what would be your next
intervention? - CORRECT ANSWER - Transcutaneous Pacing
Ectopic beats that appear before the next expected beat may originate from which source(s)?
(Select all that apply.) - CORRECT ANSWER - Atria
AV junction
Atrial fibrillation can be a chronic condition and well tolerated. - CORRECT ANSWER -
T