Final answer:
Prior to administering the hydromorphone, the nurse would prioritize assessing the patient's pain level and pain location to determine the need for the medication.
Step-by-step explanation:
Prior to administering the hydromorphone, the nurse would prioritize assessing the patient's pain level and pain location to determine the need for the medication. The patient's comfort is a priority, and administering the pain medication in a timely manner is essential for effective pain management and optimal post-operative recovery. Assessing the patient's hydration status is also important as it can affect the effectiveness and safety of medication administration.