Compton scatter is:

When creating a sterile field, it is important for the imaging professional to:

The speed of light can be expressed as:

Positive beam limitation (PBL) is a technology associated to which of the following devices?

The general term for legal documents describing a person’s wishes if one becomes unable to make  decisions about one’s own medical care are called: 

All the following are ARRT Rules of Ethics except

Surgical aseptic technique should be used during which of the following procedures? 

If an electron is gained or lost from an atom, that atom becomes

A sphygmomanometer is used to measure:

A 3-year-old patient comes to radiology for an abdominal study. Even with careful instructions and immobilization, the patient is having difficulty holding still. Which of the following should be done to minimize motion on the radiograph?