INBDE (Integrated National Board Dental Examination) Practice Exam

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What is a symptom of Vitamin B3 deficiency?

  1. pernicious anemia

  2. megaloblastic anemia

  3. Pellagra

  4. osteomalacia

The correct answer is: Pellagra

Pellagra is a symptom of Vitamin B3 (niacin) deficiency, which is characterized by skin rash, diarrhea, and dementia. Option A (pernicious anemia) is a symptom of Vitamin B12 deficiency. Option B (megaloblastic anemia) is a symptom of folate deficiency. Option D (osteomalacia) is a symptom of Vitamin D deficiency.