Which of the following are true in regards to ABC? ABC stands for Actual Brightness Calculation The ABC increases or decreases mA to compensate for various body thickness The purpose of ABC is to maintain image density and contrast at a constant brightness Rapid changes in body thickness can cause the ABC to lag behind

The total amount of filtration required for x-ray units operative between 50-70 kVp is:

Calculate the size of geometric unsharpness for an image taken with a 2.0-mm focal spot, at a 72 inch SID and an OID of 6 inches.

Which of the following materials may be used as the interspace material for radiographic grids? Plastic fiber Aluminum Lead

Which type of digital imaging artifact shows up as patterns of small blocks on an image that have block-like images of different intensity or brightness?

In an image intensification tube, 5,000 x-ray photons exit the patient and interact with the input phosphor and 125,000 light photons are released from the output phosphor.  What is the flux gain?

Choose the two (2) responses that accurately describe a radiographic examination table:

Action limits that are established by hospitals are typically _____ of the annual dose limit in efforts to ensure that personnel do not approach EfD limits.

The components in DR direct capture include:

Which of the following accurately describes a trough filter?It is also called a ferlic filterIt is used in some dedicated chest unitsIt is thick in the center and thinnest laterally