The nurse who is caring for a client in ICU on a ventilator assesses a need for suctioning and is aware that the most common cardiac arrhythmia occurring during endotracheal suctioning is:
Ventricular tachycardia
Sinus tachycardia
Supraventricular tachycardia
Sinus bradycardia
The Correct Answer is D
A. Ventricular tachycardia is less commonly triggered by suctioning.
B. Sinus tachycardia may occur but is not the most common arrhythmia during suctioning.
C. Supraventricular tachycardia is not typically associated with suctioning.
D. Sinus bradycardia is the most common arrhythmia caused by vagal stimulation during endotracheal suctioning.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. This is the correct sequence of normal electrical conduction through the heart: the impulse originates in the sinoatrial (SA) node, travels to the atrioventricular (AV) node, then to the bundle of His, down the right and left bundle branches, and finally through the Purkinje fibers.
B. This choice places the Purkinje fibers before the bundle branches, which is incorrect.
C. The AV node does not initiate conduction; the SA node is the natural pacemaker of the heart.
D. This sequence incorrectly places the bundle branches before the bundle of His.
Correct Answer is B
Explanation
A. Transcutaneous pacing may be considered if the bradycardia does not respond to initial medical management, but it is not the first intervention.
B. Administering atropine IV is the first-line treatment for symptomatic bradycardia. Atropine works by increasing heart rate through its anticholinergic effects, helping to improve cardiac output and consciousness.
C. CPR is only indicated if the client is pulseless or not breathing. Since this client is still breathing, CPR is not appropriate at this stage.
D. Cardioversion is used for certain tachyarrhythmias (e.g., atrial fibrillation with rapid ventricular response), not for bradycardia.
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