Which of the following evaluation criteria pertains to an AP projection of the elbow?     1. The forearm and elbow should be at right angles.     2. The central ray is directed perpendicular to the joint.     3. The forearm and humerus should be parallel to the image receptor.

Which of the following projections will best demonstrate the presence of spondylolysis?

Which of the following actions would increase magnification?

What radiographic landmark is located at the level of S1-S2?

What is the main difference between direct capture and indirect capture digital radiography?

Which of the following factors does NOT determine the amount of scatter produced during an exposure?

How does a technologist succeed in producing an axial projection of the clavicle on a trauma patient unable to assume a PA recumbent position?

Which of the following factors will influence shape distortion?

Which of the following factors have an effect on spatial resolution?  

Which of the following sets of technical factors would produce the least exposure to the IR?