A client who has been transported to the emergency room after a motor vehicle accident is experiencing asystole. Management of asystole focuses on:
High-quality CPR with minimal interruptions
Cessation at resuscitation attempts after 2 minutes
Administration of Narcan until an electrical rhythm is obtained
Continuous defibrillation until an electrical rhythm is obtained
The Correct Answer is A
A. High-quality CPR with minimal interruptions is the cornerstone of asystole management. Asystole is a non-shockable rhythm, so maintaining perfusion through effective chest compressions and administering appropriate medications (like epinephrine) is essential.
B. Cessation of resuscitation efforts after only 2 minutes is inappropriate; the decision to stop should be based on the clinical scenario and response to interventions over time.
C. Narcan (naloxone) is used for opioid overdose, not for treating asystole unless there is a suspected opioid-related cause—and it does not directly restore electrical cardiac rhythm.
D. Defibrillation is not indicated in asystole, as it is a non-shockable rhythm. Continuous defibrillation is ineffective and inappropriate.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. Circulating blood volume is decreased – This is true specifically in hypovolemic shock, but it does not apply to all types of shock (e.g., septic or cardiogenic shock).
B. Cells lack an adequate blood supply and are deprived of oxygen and nutrients – This is the most accurate and comprehensive description of the pathophysiology of shock. Shock is defined as a state of cellular and tissue hypoperfusion, regardless of the underlying cause.
C. Hemorrhage occurs as a result of trauma – While hemorrhage can cause hypovolemic shock, it is not the universal cause of all types of shock.
D. Blood is shunted from vital organs to peripheral areas of the body – The opposite is true in shock: blood is typically shunted away from peripheral tissues to preserve perfusion to vital organs like the brain and heart.
Correct Answer is D
Explanation
A. Mitral valve prolapse often requires no treatment or is managed with medications; balloon valvuloplasty is not typically used.
B. Aortic regurgitation usually requires surgical valve replacement rather than valvuloplasty.
C. Mitral regurgitation involves backward blood flow and is generally treated with valve repair or replacement, not balloon valvuloplasty.
D. Mitral stenosis is most commonly treated with balloon valvuloplasty, especially in clients with rheumatic heart disease. This procedure helps open a narrowed mitral valve by inflating a balloon within the valve to improve blood flow.
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