Final answer:
The nurse should plan for frequent oral rinsing with a non-alcoholic solution as an intervention for mucositis following head and neck radiation therapy.
Step-by-step explanation:
The nurse should plan for frequent oral rinsing with a non-alcoholic solution as an intervention for mucositis following head and neck radiation therapy. This can help reduce the discomfort and inflammation of oral mucosa caused by radiation therapy. It is important to use a non-alcoholic solution to avoid further irritation of the mucosa.