Hypervitaminosis D may cause all of the following EXCEPT:-
Correct Answer: Remineralization of bone
Description: Hypervitaminosis D:
Vitamin D is stored mostly in liver and slowly metabolised.
Among the vitamins, vitamin D is the most toxic in overdoses (10-100 times RDA).
Toxic effects of hypervitaminosis D include demineralization of bone (resorption) and increased calcium absorption from the intestine, Ieading to elevated calcium in plasma (hypercalcemia). Prolonged hypercalcemia is associated with deposition of calcium in many soft tissues such as kidney and arteries.
Hyper- vitaminosis D may lead to formation of stones in kidneys (renal calculi).
High consumption of vitamin D is associated with loss of appetite, nausea, increased thirst, loss of weight
Key Concept:
Toxic effects of hypervitaminosis D include demineralization of bone (resorption) and increased calcium absorption from the intestine, Ieading to elevated calcium in plasma (hypercalcemia).
Ref : Textbook of Biochemistry, Satyanarayana
Category:
Biochemistry
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