The nurse administers a narcotic analgesic to a patient who has been receiving it for 1 day after orthopedic surgery.The patient reports no change in pain 30 minutes after the medication is given.The nurse recognizes that this patient is exhibiting

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Tachyphylaxis is a rapid decrease in response,or acute tolerance.Tolerance to drug effects can occur with narcotics,requiring increased doses in order to achieve adequate drug effects.Nurses often mistake drug-seeking behavior for drug tolerance.The placebo effect occurs when the patient experiences a response with an inactive drug.

The Nurse Administers a Narcotic Analgesic to a Patient Who