Final answer:
Narcan can be used by EMS personnel to reverse the effects of opioid drugs, potentially saving a person's life in cases of overdose.
Step-by-step explanation:
Narcan is a medication that can be used by EMS personnel to reverse the effects of opioid drugs. It is an opioid antagonist that quickly binds to the opioid receptors in the brain, displacing the opioids and blocking their effects. This can potentially save a person's life in cases of opioid overdose. EMS personnel are trained to administer Narcan in emergency situations, as it can rapidly reverse the respiratory depression and other effects of opioids.
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