A client reports needing to increase opioid dosage to achieve the original level of pain relief.Which action should the nurse take?

A. Explaining the phenomenon of opioid tolerance and receptor response reduction with continued use helps the client understand why increased dosage might be needed. B. Collecting information on opioid sources is important but doesn't directly address the issue of increased tolerance. C. Detoxification might be an extreme measure and is not the first step in addressing increased opioid tolerance. D. Discussing the dangers of opioid misuse is essential, but it doesn't address the specific issue of increased tolerance for pain relief.