Питання 15 з 50 · Тема: Vitamins · Biochemistry

Examination of a 5-year-old child with a hereditary kidney disorder has detected signs of rickets, though the child's laboratory tests show normal vitamin D levels. What is the most likely cause of rickets in this case?

1. A Impaired calcitriol synthesis
2. B Hypoparathyroidism
3. C Hyperparathyroidism
4. D Increased calcium excretion
5. E Insufficient calcium intake with food

Правильна відповідь: A. Impaired calcitriol synthesis