Question

Deficiency of vitamin B1 leads to
A.Beriberi
B.Night blindness
C.Rickets
D.Scurvy

Answer 1

Hint: Vitamin B1 Is also called thiamine and food sources of vitamin B1 are legumes, whole grains, meat, and fish. It enables the body to utilize carbohydrates as a source of energy and reduction in vitamin B1 levels leads to tiredness and loss of appetite.

Complete answer: Beriberi is caused due to the absence of vitamin B1 in the body. Vitamin B1 is called thiamine and its absence is called thiamine disorder.
There are two types of Beriberi.
Wet Beriberi: This type of Beriberi can cause heart disorders and affects the circulatory system. Cardiomegaly and cardiomyopathy are indicators of this type of beriberi. Symptoms are weakness, insomnia, increase in heart rate.
Dry beriberi: It affects the nervous system. It can cause paralysis and neuropathy is an indicator of this type of beriberi. Symptoms are paralysis, difficulty in walking, pain and tingling effect, vomiting, etc.
Causes of beriberi: lack of nutrients in diet and people who consume water pills. Also, absorption of vitamin B1 decreases due to an increase in alcohol absorption.
Treatment includes more and more consumption of food rich in vitamin B1 and the person shouldn’t consume alcohol.
Night blindness is caused by a deficiency of vitamin A (retinol) and its symptom is difficulty in seeing in the dark.
Rickets is caused by a deficiency of vitamin D or calcium. Bones soften and are prone to fractures.
Scurvy occurs due to the deficiency of vitamin C (ascorbic acid ). It leads to swelling and pain in the limbs, anaemia and exhaustion.
Hence option A is a correct, deficiency of vitamin B1 leads to beriberi

Note:Vitamin A deficiency causes night blindness. Vitamin C deficiency causes scurvy. Vitamin D deficiency causes rickets and vitamin B1 deficiency causes beriberi. Beriberi leads to increased heart disorders, weakness, insomnia, paralysis, nephropathy, cardiomegaly, cardiomyopathy. Two types of beriberi are wet and dry beriberi. Increase in intake of vitamin B1 rich diet is the immediate treatment of beriberi.