Final answer:
Transdermal fentanyl patches are prescribed to manage chronic pain without affecting consciousness. It is commonly used for conditions like cancer or fibromyalgia.
Step-by-step explanation:
The purpose of a transdermal fentanyl patch is to manage pain without affecting consciousness. It is most commonly prescribed for chronic pain, such as pain caused by arthritis, cancer, or fibromyalgia. Therefore, the charge nurse should include a client with chronic cancer pain in the teaching as a client who requires this medication.