True or False: Dose rate is decreased by blocking because of decreased scatter. 

What is the formula for finding the couch rotation needed when treating a CSI patient? 

Which is NOT a benefit of treating head and neck disease utilizing IMRT as opposed to 3D? 

True or False: When placing wedges on 2 beams, the toes of the wedges are placed together. 

What is the difference in a non-coplanar beam? 

What Hounsfield Number would be appropriate to when overriding Barium contrast in the bowel? 

How is the field size defined dosimetrically? 

In order to improve image resolution, would we increase or decrease the thickness of out CT slice? 

True or False: The flattening filter is thicker in the middle and tapers toward the edges. 

____________ refers to fluctuation in values that do not correspond to actual tissue density variations, which appears grainy and does not contribute to a quality image.