Mr. Zenobia's chronic cancer pain has recently increased, and he asks the home health nurse what can be done. In relationship to his long-acting morphine, which of the following is an appropriate response by the nurse?
a. "If you take more morphine, it will not change your pain relief."b. "I'll call the physician and ask for an increased dose."c. "The amount you are taking now is all I can give you."d. "I'm worried if we increase your dose that you will stop breathing."