What is the primary goal in the treatment of a child with nephrotic syndrome?

The primary goal in treating nephrotic syndrome in children is to reduce proteinuria. Nephrotic syndrome is characterized by proteinuria, leading to hypoalbuminemia and edema. By reducing proteinuria, kidney damage can be minimized, and symptoms can be managed effectively. Decreasing urine output (Choice A) is not the primary goal, as it does not address the underlying issue of protein loss. Increasing serum albumin (Choice B) is a consequence of reducing proteinuria rather than the primary goal. Increasing blood pressure (Choice D) is not a goal in treating nephrotic syndrome and may even be contraindicated to prevent further kidney damage.