MCQOPTIONS
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| 1. |
A 2 year old boy has vitamin D refractory rickets.Investigations show serum calcium 9 mg/dl.Phosphate 2.4 mg/dl,alkaline phosphate 1040 IU.Parathyroid hormone and bicarbonate levels are normal.The most probable diagnosis is. |
| A. | Distal renal tubular acidosis |
| B. | Hypophosphatemic rickets |
| C. | Vitamin D dependent rickets |
| D. | Proximal renal tubular acidosis |
| Answer» C. Vitamin D dependent rickets | |