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AACN ECG Written EXAM 2025 QUESTIONS AND CORRECT ANSWER
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AACN ECG Written EXAM 2025 QUESTIONS AND CORRECT ANSWER
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AACN ECG Written EXAM 2025 QUESTIONS AND CORRECTANSWER
Which of the following are roles a clinician plays in ECG monitoring? - answer>>>All of the
above.
Where should the pacing spike appear? - answer>>>Before the P wave in an atrial pacemaker
and before the QRS complex in a ventricular pacemaker.
Identify the valve indicated by the arrows below: - answer>>>Mitral
PVCs are always harmful and need to be treated. - answer>>>False
Most patients maintain hemodynamic stability with sustained monomorphic ventricular
tachycardia. - answer>>>False
Using the small box method, there are 15 small boxes between one R wave and the next. The
rate on this strip is: - answer>>>100 beats per minute
Multifocal atrial tachycardia, also known as Wandering Atrial Pacemaker, is identified by: -
answer>>>Irregular R-R interval and P waves of different shapes.
Patients with a Second Degree AV Block Type I most likely are asymptomatic. The nurse will
monitor the rhythm closely understanding that it could progress to a more serious type of
block. - answer>>>True
__________ is the lowest amount of energy or the lowest amount of output (milliamps)
required to cause the heart to respond each time an electrical impulse is fired by the
pacemaker. - answer>>>Stimulation threshold
, Demand pacing mode indicates which of the following? - answer>>>A lack of intrinsic cardiac
activity necessitates the pacemaker's assistance.
On ECG paper, what segment indicates one millivolt? - answer>>>The height of one small box.
Which of the following is NOT a common cause of third-degree AV block? -
answer>>>Hypertrophic obstructive cardiomyopathy.
Blood moving from the atria to the ventricles flows through which of the following valves? -
answer>>>Tricuspid and mitral.
In the cardiac cycle, what does the QT interval represent? - answer>>>Ventricular
depolarization and repolarization.
You are caring for a 16 year old female in the emergency department. She presented with
complaints of chest pain with sudden movement or when taking a deep breath. The physician
asked for her to be placed on a cardiac monitor and to obtain a 12-lead EKG. She is in sinus
rhythm, but on closer observation, you notice her HR drops from 80 to 72 during expiration,
then increases to 80 again with inspiration. You identify the rhythm as __________, and your
interventions will include __________. - answer>>>Sinus Arrhythmia; post the rhythm strip
noting that this is common in adolescents and continue to monitor.
You are caring for a 32 year old female patient with renal failure receiving dialysis. While
obtaining a set of vital signs, you note a slightly irregular heart beat. After obtaining a rhythm
strip, it is determined the patient is in regular sinus rhythm with 3-5 premature junctional beats
per minute. Which of the following are true: - answer>>>All of the above.
A person with sinus arrhythmia commonly has no symptoms. - answer>>>True
Electrical activity through the tracts of the conduction system results in cardiac muscle
contraction and relaxation. - answer>>>True
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