Question:
Which of the following Vitamin is required for the better utilization of calcium?
Which of the following Vitamin is required for the better utilization of calcium?
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To ensure optimal bone mineralization, many food authorities mandate the fortification of liquid milk and edible vegetable oils with both Vitamin A and Vitamin D.
Updated On: Aug 20, 2026
- C
- D
- B1
- B2
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Verified By Collegedunia
The Correct Option is B
Solution and Explanation
Step 1: Understanding the Concept:
Mineral absorption and transport in the human intestine often depend on physiological interactions with specific vitamins that act as essential biochemical regulators.
Step 2: Detailed Explanation:
Vitamin D (specifically its active hormonal form, calcitriol or 1,25-dihydroxyvitamin \(\text{D}_3\)) is essential for the optimal absorption and utilization of calcium:
- It binds to intracellular receptors in intestinal mucosal cells, stimulating the synthesis of calcium-binding proteins (calbindins).
- These proteins facilitate the active transport of calcium across the intestinal wall into the bloodstream.
Without adequate Vitamin D, dietary calcium cannot be absorbed efficiently, leading to bone demineralization disorders like rickets in children and osteomalacia in adults.
Step 3: Final Answer:
The vitamin required is Vitamin D, which corresponds to option (B).
Mineral absorption and transport in the human intestine often depend on physiological interactions with specific vitamins that act as essential biochemical regulators.
Step 2: Detailed Explanation:
Vitamin D (specifically its active hormonal form, calcitriol or 1,25-dihydroxyvitamin \(\text{D}_3\)) is essential for the optimal absorption and utilization of calcium:
- It binds to intracellular receptors in intestinal mucosal cells, stimulating the synthesis of calcium-binding proteins (calbindins).
- These proteins facilitate the active transport of calcium across the intestinal wall into the bloodstream.
Without adequate Vitamin D, dietary calcium cannot be absorbed efficiently, leading to bone demineralization disorders like rickets in children and osteomalacia in adults.
Step 3: Final Answer:
The vitamin required is Vitamin D, which corresponds to option (B).
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