Certified Neuroscience Registered Nurse (CNRN) Practice Exam

What is the main purpose of using sugammadex in the context of PONV?

1. To increase sedation

2. To reverse neuromuscular block

3. To enhance analgesia

4. To control heart rate

The correct answer is: To reverse neuromuscular block

The primary purpose of using sugammadex is to reverse neuromuscular blockade. Sugammadex functions by encapsulating rocuronium and vecuronium, which are commonly used neuromuscular blockers in anesthesia. The reversal of neuromuscular blockade is crucial in ensuring proper recovery of muscle function after surgery, allowing patients to regain the ability to breathe spontaneously and minimizing complications related to respiratory function. When neuromuscular blockers are used during surgery, their effects must be effectively managed as surgical and anesthetic procedures come to an end. Sugammadex provides a rapid and effective means of reversing these effects, enhancing patient recovery times. This is particularly important in preventing postoperative nausea and vomiting (PONV), as neuromuscular blockage can contribute to delayed recovery and complications that may lead to PONV. While sedation, analgesia, and heart rate control are important aspects of anesthesia care, they are not the primary functions of sugammadex. Therefore, the focus on reversing neuromuscular block makes its use vital in the context provided.