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A nurse is reviewing prescribed medications for a newly admitted client. Which of the following medications increases the body's rate of metabolism?

  1. Dilaudid

  2. Levothyroxine

  3. Morphine

  4. Phenobarbital

The correct answer is: Levothyroxine

Levothyroxine is a synthetic form of thyroid hormone that is used to treat an underactive thyroid. It helps to increase metabolism, so this medication would be the most likely to increase the rate of metabolism in the body. Option A Dilaudid is a narcotic pain medication that works by changing how the brain and nervous system respond to pain. While it may increase heart rate and blood pressure, it is not known to have an effect on metabolism. Option C: Morphine is also a narcotic pain medication and does not have an effect on metabolism. Option D: Phenobarbital is a barbiturate medication used to treat seizures and anxiety. Like the previous options, it does not have an effect on metabolism.