click below
click below
Normal Size Small Size show me how
Radiology
Chapter 12 Vocab
Question | Answer |
---|---|
Technique chart | A listing of exposure factors for various radiographic examinations performed in a facility. |
Caliper | A tool for body part measurement where the main shaft is a strip of metal, calibrated in both inches and centimeters. The shaft has two perpendicular extensions, one that is permanently fixed, and one that is mobile. |
Variable kVp Chart | A guide based upon specific mAs values for each view and then varying the kilovoltage based on patient/part thickness. |
Optimum kVp | The highest kVp setting that will produce sufficient contrast for acceptable film quality. |
Fixed kVp chart | A guide for optimum kVp values is established for each view and the mAs is varied according to the patient/part thickness. |
Radiographic Phantom | A human skeleton encased in a plastic material that is similar in density to human tissue. |
Compensating Filter | A specially designed attenuating device that is used to compensate for variations in tissue density. It can be placed between the radiographic tube and the IR. |