<prompt> Renal osteodystrophy is due to:-Increased synthesis of calcitriol in kidneyNo synthesis of calcitriol in kidneyDecreased synthesis of calcitriol in kidneyFluctuating production of calcitriol in kidney  <response>: Renal rickets renal osteodystrophy - This is seen in patients with chronic renal failure. Renal rickets is mainly due to decreased synthesis of calcitriol in kidney. lt can be treated by administration of calcitriol.Reference: Satyanarayana- Biochemistry, 3rd edition, pg-128 