Which nursing diagnosis is most appropriate for a patient with chemotherapy-induced mucous membrane impairment?

• A. Acute pain
• B. Imbalanced nutrition
• C. Risk for infection
• D. Impaired oral mucous membrane

Answer: (D)

Chemotherapy often damages rapidly dividing cells in the mouth, producing mucositis—red, painful, and sometimes ulcerated oral membranes. The most appropriate nursing diagnosis is impaired oral mucous membrane because it names the actual tissue injury you see, guiding focused care to protect and heal the mucosa. Interventions would center on gentle oral care, non-irritating rinses, soft bland foods, adequate hydration, and pain relief as ordered to maintain mucosal integrity and comfort. While pain, nutrition, and infection risk can be present, they describe consequences or risks rather than the specific problem of tissue impairment in the mouth.