Positive CT numbers are issued to tissues that are:

In which of the following instances would having a CT procedure be preferred over an MRI? For patients who are claustrophobic For patients with metal in their bodies For patients who cannot tolerate longer MRI scan times

Most MRIs are performed with field strengths ranging up to:

List, in order, the evolution of breast imaging from the first type of imaging used to produce mammographic images to the most current: Xeroradiography Direct Exposure FFDM Film-screen imaging

In tomography, the object located at the area of the fulcrum is:

Which of the following statements are true in regards to the use of contrast media in CT imaging?  Contrast is used to help distinguish normal anatomy from pathology. Contrast increases the visibility of disease processes. Contrast may only be administered intravenously.

In nuclear medicine, “hot spots” are:

Which of the following imaging modalities does not involve the use of ionizing radiation?

In general, the radiation received by a nuclear medicine study is equivalent to approximately ____ of background radiation.

In mammography, the average dose to each breast per view is: