Bleeding of gums, falling of teeth, fragile bones and delayed wound he

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Bleeding of gums, falling of teeth, fragile bones and delayed wound healing occur due to the deficiency of which one of the following vitamins?

Vitamin C
Vitamin K
Vitamin D
Vitamin B
This question was previously asked in
UPSC CDS-1 – 2017
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The correct answer is A) Vitamin C.
The symptoms listed, such as bleeding of gums, falling of teeth, fragile bones, and delayed wound healing, are classical signs of Scurvy. Scurvy is a disease caused by severe deficiency of Vitamin C (Ascorbic acid). Vitamin C is essential for the synthesis of collagen, a vital protein that forms connective tissues in the skin, gums, bones, and blood vessels.
Vitamin C also acts as an antioxidant and plays a role in immune function and iron absorption. Deficiency impairs collagen formation, leading to weakened connective tissues, capillary fragility (causing bleeding gums), and impaired wound healing. Vitamin K is crucial for blood clotting; Vitamin D for calcium metabolism and bone health; Vitamin B complex vitamins are involved in various metabolic processes.

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