Which data collection tool is subject to the Hierarchy Rule?…

Questions

Which dаtа cоllectiоn tоol is subject to the Hierаrchy Rule? 

IN A LATERAL PROJECTION OF THE CHEST, HOW CAN YOU TELL IF THE PATIENT WAS ROTATED IN THE IMAGE?

FOR THE RIGHT LATERAL POSITION OF THE STOMACH, WHICH STRUCTURE HAS AN AIR FILLED STRUCTURE WITH A DOUBLE CONTRAST STUDY?

NAME THE PLANE THAT RUNS THROUGH THE VERTEBRAL LEVEL OF L4-L5?