The nurse is performing oral inspection of a client with dark pigmented skin. The nurse observes a patchy discoloration of the buccal mucosa. Which action should the nurse take?

A. Documenting the finding is important to ensure proper record-keeping, especially in clients with dark pigmented skin, where some variations in skin tone may be normal. B. Asking about antibiotics is unnecessary unless there's suspicion of a drug-induced reaction or side effect. C. While use of irritating chemicals could cause changes, this scenario does not directly suggest that as the cause. D. Referral to a dermatologist is not required without further investigation to determine if the discoloration is concerning.