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Which group of three of the following five statements (a–e) contain is all three correct statements regarding beri-beri?

1. a crippling disease prevalent among the native population of sub-Saharan Africa; a deficiency disease caused by lack of thiamine (vitamin B1); a nutritional disorder in infants and young children when the diet is persistently deficient in essential protein;
2. occurs in those countries where the staple diet is polished rice; the symptoms are pain from neuritis, paralysis, muscle wasting, progressive oedema, mental deterioration and finally heart failure;
3. A, B and D
4. B, C and E

Correct answer: occurs in those countries where the staple diet is polished rice; the symptoms are pain from neuritis, paralysis, muscle wasting, progressive oedema, mental deterioration and finally heart failure;

Solution

Beri-beri is caused by thiamine (vitamin B1) deficiency, classically seen where polished rice is the staple diet. Its symptoms include neuritis, weakness/paralysis, muscle wasting, oedema, mental changes, and can progress to heart failure.

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