[Solved]: When she was a teenager, Joan fell off a horse and…

When she was a teenager, Joan fell off a horse and shattered her pelvis. She has been taking the opioid pain medication oxycodone ever since. Last week, Joan was in a car accident and the emergency-room physician administered morphine to treat Joan’s pain. What would you expect to have happened, in this case? Joan’s body is accustomed to opioid medications, and so the morphine would be a highly effective pain reliever. Joan’s body is accustomed to opioid medications, and so the morphine would be a poorly effective pain reliever. Joan’s body is unaccustomed to morphine, and so morphine would be a highly effective pain reliever. Joan’s body is accustomed only to oxycodone, and so that’s what the physician should have administered to treat her pain. Joan must not be taking her oxycodone as prescribed, otherwise she would not have had any pain following the car accident.