Factors affecting barrier thickness include:

A set of numeric dose limits that are based on calculations for the various risks of cancer and genetic (hereditary) effects to tissues or organs exposed to radiation defines:

Which of the following cells is the least radiosenisitive?

A controlled area is one occupied primarily by:

The luminance of the collimator light source must be:

_______________ 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.