Calcitriol therapy in CKD-MBD management increases intestinal absorption of which minerals and what is the main risk if not monitored?

• A. Increases intestinal Ca and PO4 absorption and suppresses PTH; risks hypercalcemia and hyperphosphatemia
• B. Increases intestinal Ca absorption but decreases PO4 absorption; risk hypocalcemia
• C. No effect on calcium or phosphate; no mineral imbalance risk
• D. Only increases phosphate absorption with no calcium effect; risk vascular calcification only

Answer: (B)