question_answer

Which group of three of the following five statements (1-5) contains all three correct statements regarding beri-beri? 1. A crippling disease prevalent among the native population of sub-Sahara Africa. 2. A deficiency disease caused by lack of thiamine (vitamin-Bi). 3. A nutritional disorder in infants and young children when the diet is persistently deficient in essential protein. 4. Occurs in those countries where the staple diet is polished rice. 5. The symptoms are pain from neuritis, paralysis, muscle wasting, progressive oedema, mental deterioration and finally heart failure.

A)  1,2 and 4                            

B)  2, 3 and 5

C)  1,3 and 5                            

D)  2, 4 and S

Correct Answer: D

Solution :

Vitamin or thiamine is extracted by funk from rice bran. It is a component coenzyme of the enzyme co-carboxylase, which is essential for concluding stages carbohydrate and amino acid metabolism. It is also found in whole wheat flour and other cereals, green vegetables, nuts, pulses, oatmeal, eggs, yeast, meat, liver etc. Since the nervous system almost completely depends on carbohydrate metabolism for energy. Thiamine deficiency impairs functioning of this system and muscles Clinical effects are loss of appetite and vigour, constipation, weakened, heartbeat, fatigue and even paralysis. All these are the symptoms of beri-beri disease.