Final answer:
The nurse should provide soft, non-irritating foods to the patient with stomatitis.
Step-by-step explanation:
The nurse should include the intervention of providing soft, non-irritating foods for the patient with stomatitis who is prescribed external radiation for laryngeal cancer. Stomatitis is the inflammation of the mouth, which can cause soreness and pain. Soft, non-irritating foods can help alleviate discomfort and provide the necessary nutrients for healing. Examples of soft, non-irritating foods include mashed potatoes, scrambled eggs, yogurt, and smoothies.