The client who is being treated for pyelonephritis is scheduled for an intravenous pyelogram (IVP). When the nurse prepares the client for the IVP, which of the following is the best explanation for...

The client who is being treated for pyelonephritis is scheduled for an intravenous pyelogram (IVP). When the nurse prepares the client for the IVP, which of the following is the best explanation for administering a laxative?

1. Emptying the bowel improves the ability to visualize the urinary structures.

2. Emptying the bowel also aids in examining the lower gastrointestinal tract.

3. Emptying the bowel prevents accidental stool incontinence during the x-ray.

4. Emptying the bowel reduces the potential for constipation or impaction.