An x-ray source is producing an entrance skin exposure of 3.1 mSv per hour at 10 cm from the source. What is the entrance skin exposure at 15 cm from the source?

The area of the x-ray beam projected towards the patient is described as the:

Factors that impact the visibility of detail include all of the following EXCEPT

Improper tube, object and image receptor alignment with no change in SID will result in:

Which of the choices below does NOT increase contrast?

All filtration can be expressed in terms of the thickness of

A high quality radiograph should always demonstrate ____________.

Penumbra is ____ when the field size is  ____ .

A decubitus radiograph is acquired using 72 kilovoltage peak (kVp), a 12:1 grid, 72 inch source-to-image distance (SID), 600 milliamperes (mA), and using automated exposure control (AEC). Which of these variable modifications will decrease the exposure time?

Which one of these grid ratios will absorb the most scattered radiation?