Minimum source-skin distance (SSD) for mobile radiography is:

Which of the following terms is used to describe the front of the body?

A simultaneous exposure of both shoulders (with and without weights in their hands) is used to demonstrate which of the following anatomical structures?

Which of the following agents is considered to be a form of negative contrast media?

Which is more inferior?

What is the proper central ray angulation to achieve a correct anteroposterior projection of the sacrum?

What formula is this?  

Which of the following will attenuate more radiation?

Which of the following contrast agents causes constipation?

For a cardiac catheterization procedures, the catheter insertion is generally in the: