Answer:
The correct statetements about deficiency disorders are:
1. Beriberi is rare in the United States.
2. Alcohol-related thiamin deficiency is called Wernicke-Korsakoff syndrome
3. Most adults get adequate riboflavin in their diets.
Explanation:
1. Beriberi is produced by deficiency in vitamin B1, and the United States, as a developed country, it is possible to get a varied quantity of foods fortified with vitamins, and therefore, this would be a very rare disease.
2. Wernicke-Korsakoff encephalopathy is a disease that occurs due to thiamine deficiency, due to excessive alcohol consumption.
3. This is correct since most riboflavin-rich plant and animal foods are milk, eggs, salmon, asparagus, broccoli, etc. and currently most people consume them daily.