The distance between the x-ray tube and the image receptor is called:

Which of the following formulas is used to calculate penumbra?

In a PA projection of the chest, the heart measures 14.7 cm between its widest points on the radiograph. If the magnification factor is known to be 1.2, what is the actual diameter of the heart? (You do not have to convert units.)

Which of the following technical factors would demonstrate the most penumbra?

An image is created with the following factors:0.6 mm FSS4″ OID68″ SODCalculate the amount of unsharpness if the FSS changed to 1.2 mm.

The distance between the anatomy being imaged and the image receptor is called:

Spatial frequency is used to describe the quality of spatial resolution in terms of:

Size distortion is inversely influenced by: OID SOD SID

Which of the following will result when increasing the SID?

A radiograph with a low level of penumbra could also be described as having two of the following: (Select two.)