Problem: A 6-year-old girl presents with puffiness around the eyes, which is usually worse in the morning. A history of present illness obtained from her mother reveals a flu-like illness a few days ago and frothy urine. On physical examination, there is pedal edema. Laboratory tests show hypercholesterolemia and hypertriglyceridemia. Her urine dipstick shows 3+ protein but no red blood cells. There is no hematuria. What is the most likely diagnosis? Looking for Assignment Help? A. Poststreptococcal glomerulonephritis B. Angioedema C. Nephrotic syndrome D. Nephritic syndrome