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The x-ray field size must be aligned to within _____ of the SID at the middle of the image receptor

In accordance with ALARA guidelines, work schedules are designed to distribute radiation exposure risk evenly to all employees.

Factors affecting barrier thickness include…

A secondary barrier is one that is exposed to I.    primary radiation II.   scattered radiation from patient III.  leakage radiation from x-ray tube

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.

When a fluoroscopic image is electronically amplified by the use of an image intensification system, which of the following benefits results? Choose the best 3 answers

Which of the following is the BEST method of protection from ionizing radiation for the radiographer ?

   When using digital fluoroscopy systems, making use of last image hold feature can:                           

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

ESE is measured by using: