A Patient Receives Morphine and Shows Signs of Toxicity

question 3

Multiple Choice

A patient receives morphine and shows signs of toxicity. The prescriber orders naloxone [Narcan] to reverse the effects of the morphine. The nurse understands that the naloxone reverses morphine toxicity by which action on morphine receptor sites?

• A) Blocking transmitter reuptake
• B) Inhibiting transmitter release
• C) Interfering with transmitter storage
• D) Preventing activation of receptors

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