Question: Which of the following is true of the severity of obstructive uropathy, an obstruction of the urinary tract? i. location of the obstruction ii. location of the obstructive lesion iii. involvement of the kidney iv. involvement of the ureters v. duration of the obstruction or blockage vi. degree of completeness of the blockage or obstruction iii,v, v and v i,ii,iii,iv and v All of the above i,iii, v, and vi