Orthopaedics A patient presented with following serum parameters: Normal serum ALP, normal PTH level and increased Ca+ and PO4. Most likely cause: A Vitamin D increase B Hyperparathyroidism C Osteoporosis D Osteomalacia 💡 Explanation A patient presented with following serum parameters: Normal serum ALP, normal PTH level and increased Ca+ and PO4. Most likely cause: ✓ Correct Answer: A. Vitamin D increase