Basic Life Support (BLS) Practice Exam

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How often can naloxone be administered for an adult patient in respiratory arrest due to an opioid overdose?

Every minute
Every 2 to 3 minutes as needed
Every 5 minutes
Only once during the event

The correct answer is: Every 2 to 3 minutes as needed

Naloxone can be administered every 2 to 3 minutes as needed for an adult patient in respiratory arrest due to an opioid overdose. This timing allows for an appropriate interval to assess the patient's response to the medication after each dose. Naloxone works by displacing opioids from their receptors and restoring normal respiratory function, but its effectiveness may vary based on the amount and type of opioid involved, as well as the patient's overall state. Administering naloxone too frequently, such as every minute, may not provide sufficient time to evaluate whether the patient's condition is improving or deteriorating. It is important to monitor the patient's response and provide additional doses based on their specific needs. Administering it only once would not adequately address the potential for lingering effects of the opioid, as some opioids can have a longer duration of action than naloxone itself. Therefore, the specified interval of every 2 to 3 minutes strikes a balance between timely intervention and allowing time for the drug to take effect, ensuring that further doses are distributed as needed without overwhelming the patient or the responder.