A 72-year-old patient with severe osteoarthritis has been hospitalized for pain management. The healthcare provider orders the following medications: acetaminophen 650 mg every 6 hours, ibuprofen 400 mg every 8 hours, and a transdermal fentanyl patch 25 mcg/hour. The nursing staff is to administer these medications as prescribed. Which of the following nursing actions is FIRST necessary before applying the fentanyl patch?