Question

Which of the following is most likely to occur as a result of using a 30-in. SID with a 14 × 17 in. IR to radiograph a fairly homogeneous structure?

Density variation between opposite ends of the IR

Answer 1

Using a 30-in. SID with a 14 × 17 in. IR to radiograph a fairly homogeneous structure is likely to result in density variation between the opposite ends of the IR.

Step-by-step explanation:

Using a 30-in. SID (source-image distance) with a 14 × 17 in. IR (image receptor) to radiograph a fairly homogeneous structure is likely to result in a density variation between the opposite ends of the IR. This is because X-rays have the ability to penetrate matter, and their ability to do so depends on the density of the material they pass through. In this case, the X-rays will have to travel a longer distance from the source to reach one end of the IR compared to the other end, which can result in differences in the recorded density of the image.