Normal capacity of renal pelvis is: (A) 7 ml, (B) 12 ml, (C) 15 ml, (D) 20 ml
Answer is A. The renal pelvis is roughly pyramidal, with the base facing the parenchyma and the apex funneling down into the ureter. It usually has a capacity of 3 to 10 mL of urine. ref : campbell - walsh urology 11th ed , chapter 42 , pg no : 973