‘Beri-Beri’ is caused by the deficiency of __________.
Thiamine
The disease 'Beri-Beri' is caused by the deficiency of Thiamine. Here's a breakdown:
Thiamine (Vitamin B1):
- Thiamine is an essential vitamin that plays a crucial role in energy metabolism, nerve function, and muscle coordination.
- A deficiency in thiamine can lead to beriberi.
Beri-Beri:
- This disease affects the cardiovascular system and the nervous system.
- Symptoms can include weakness, fatigue, heart problems, and nerve damage.
Therefore, the correct answer is Thiamine.
Thiamine
✅ Correct Answer: Thiamine
📘 Detailed Explanation:
Beri-Beri is a nutritional disorder caused by a deficiency of Vitamin B1, also known as Thiamine.
🔹 Thiamine (Vitamin B1):
A water-soluble vitamin that plays a crucial role in energy metabolism and the proper functioning of nerves, muscles, and the heart.
It is essential for converting carbohydrates into energy.
🔸 Types of Beri-Beri:
| Type | Description |
|---|---|
| Dry Beri-Beri | Affects the nervous system – symptoms include muscle weakness, numbness, and paralysis. |
| Wet Beri-Beri | Affects the cardiovascular system – leads to swelling (edema), fast heart rate, and heart failure. |
❌ Why Other Options Are Incorrect:
| Vitamin | Scientific Name | Deficiency Disease |
|---|---|---|
| Riboflavin | Vitamin B2 | Causes Ariboflavinosis – cracked lips, sore throat |
| Cyanocobalamin | Vitamin B12 | Leads to Pernicious anemia, fatigue, nerve damage |
| Niacin | Vitamin B3 | Deficiency causes Pellagra – 4 D's: Diarrhea, Dermatitis, Dementia, Death |
Thiamine
The correct answer is:
✅ Thiamine (Vitamin B₁)
Detailed Explanation:
1. About Beri-Beri
Definition: A nutritional disorder caused by thiamine (Vitamin B₁) deficiency.
Types:
- Wet Beri-Beri: Affects the cardiovascular system (heart failure, edema).
- Dry Beri-Beri: Damages the nervous system (muscle weakness, paralysis).
2. Role of Thiamine (Vitamin B₁)
Function:
- Helps convert carbohydrates into energy.
- Essential for nerve and heart function.
Daily Requirement: 1.1–1.2 mg/day for adults.
3. Causes of Deficiency
- Poor Diet: Over-reliance on polished rice/processed grains (thiamine removed during milling).
- Alcoholism: Impairs thiamine absorption (Wernicke-Korsakoff syndrome).
- Chronic Diseases: HIV, diabetes, or dialysis.
4. Why Not Other Vitamins?
| Vitamin | Deficiency Disease |
|---|---|
| Riboflavin (B₂) | Ariboflavinosis (mouth ulcers, cracked lips). |
| Cyanocobalamin (B₁₂) | Pernicious anemia (fatigue, nerve damage). |
| Niacin (B₃) | Pellagra (dermatitis, diarrhea, dementia). |
5. Treatment & Prevention
- Supplements: Oral/injectable thiamine.
- Dietary Sources: Whole grains, legumes, pork, nuts.
- Fortification: Thiamine-enriched rice/flour in endemic areas.
Final Answer:
✅ Thiamine (Beri-Beri is caused by Vitamin B₁ deficiency.)
Did You Know?
Beri-Beri means "I can't, I can't" in Sinhalese, reflecting the weakness it causes!
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