The nurse is assessing a patient's mouth for signs of oral cancer. Which of the following is most characteristic of oral cancer in its early stages?
A) Dull pain radiating to the ears and teeth
B) Presence of a painless sore with raised edges
C) Areas of tenderness that make chewing difficult
D) Diffuse inflammation of the buccal mucosa
Ans: B
Feedback: Malignant lesions of the oral cavity are most often painless lumps or sores with raised borders. Because they do not bother the patient, delay in seeking treatment occurs frequently and negatively affects prognosis. Dull pain radiating to the ears and teeth is characteristic of malocclusion. Inflammation of the buccal mucosa causes discomfort and often occurs as a side effect of chemotherapy. Tenderness resulting in pain on chewing may be associated with gingivitis, abscess, irritation from dentures, and other causes. Pain related to oral cancer is a late symptom.
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