_______________ is the radiation output weighted time that the unit is actually delivering radiation during the week.

When switching from one mA station to another and using the same mAs, the linearity should be accurate within _____%

The light and the x-ray beam must correspond to within 2% of SID

Which of the following examinations are considered unnecessary radiologic procedures?Chest x-ray study as a part of a pre-employment physicalScreening MammographyWhole body CT screening

For mobile radiographic units, which are not equipped with remote control exposure devices, the cord leading to the exposure switch must be long enough to permit the radiographer to stand AT LEAST _______from the patient, the xray tube and the useful beam to reduce occupational dose.

In fixed fluoroscopy units, the source-to-skin distance must not be less than

The trough, bilateral wedge filter, which is used in some dedicated chest radiographic units, is an example of which of the following?

Of the following radiation sources, which is the Control Booth barrier NOT intended to intercept in a diagnostic x-ray room? 1. Leakage radiation 2. Primary radiation 3. Scattered radiation

The lead equivalent for protective aprons worn in fluoroscopy is:

Effective communication between the radiographer and the patient depends on which of the following? Choose the best 3 answers.