This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pediatrics
Which is seen in nephrotic sundrome ? 
Select and explain. 
A. Low serum calcium, B. Raised AT-III, C. Low lipid, D. Platelet activation
A: Low serum calcium
Answer: A: Low serum calcium 
Explanation: Ans. is 'a' i.e., Low serum calcium In nephrotic syndrome there is hypocalcemia and secondary hyperparathyroidism as a consequence of loss of cholecalciferol binding protein. Secondary hyperparathyroidism causes hypophosphatemia by increasing renal phosphate excretion.