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NBRC Registered Respiratory Therapist – Neonatal Pediatric Specialty (RRT-NPS) Practice Test

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Which nondepolarizing neuromuscular blocker is commonly used for rapid sequence intubation due to rapid onset?
Correct Answer:
Rocuronium
Explanation:
Rapid sequence intubation relies on a neuromuscular blocker that takes effect quickly so the airway can be secured with minimal apnea. Among nondepolarizing options, rocuronium has the fastest onset, especially at higher RSI doses, producing intubating conditions in about a minute. That quick onset makes it the best choice for RSI compared with pancuronium (slower onset and longer duration), vecuronium (slower onset), and atracurium (moderate onset with potential histamine release). In short, rocuronium is favored for RSI because its rapid onset reliably achieves adequate relaxation for prompt intubation.

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