Final answer:
The nurse should collaborate with the patient and prioritize the goal of accurately identifying foods that trigger symptoms.
Step-by-step explanation:
When planning the care for a patient with irritable bowel syndrome (IBS), it is important for the nurse to collaborate with the patient and prioritize the goal of accurately identifying foods that trigger symptoms. This is because IBS is often triggered by certain foods, and by identifying and avoiding these triggers, the patient can better manage their symptoms and improve their quality of life.