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In alcoholics with anemia:
  1. pernicious anemia is more common than folic acid deficiency
  2. iron deficiency, folic acid deficiency may coexist
  3. the alcohol interferes with iron absorption
  4. oral vitamin replacement is contraindicated
Explanation
Answer: C - Due to the ingestion of nonfood substances (alcohol) that leads to a clinical iron deficiency and may actually be the first sign of a problem; the patient will substitute alcohol for a nutrition program that fosters a positive health habit.
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