A nurse is caring for a client who has cancer and reports moderate pain. Which of the following medications should the nurse expect to administer?

A. Acetaminophen is typically used for mild pain and not sufficient for moderate pain, especially in cancer patients. B. Morphine is an opioid and is indicated for moderate to severe cancer pain due to its potent analgesic effect. C. Aspirin is an NSAID used for mild pain and inflammation but not ideal for cancer-related pain management. D. Ibuprofen is also an NSAID and generally used for mild pain, not adequate for moderate cancer pain.