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

Under the remedial action for natural resources in NRCP Report No. 116, the exposure to radon and its decay products equivalent dose limit is ______ (J/s)m-3:

Match each of the following AEC considerations as a cause of overexposure or underexposure.  Responses may be used more than once.