Disease which increase oral melanin pigmentation_______________?
Correct answer: B. addison's disease
- A. Hyperthyroidsim
- B. addison's disease
- C. Nephritis
- D. All of the above
Explanation
Adrenal insufficiency in Addison disease increases melanocyte-stimulating hormone activity, producing diffuse skin and oral melanin pigmentation. Hyperthyroidism and nephritis are not the classic causes tested for this finding.
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