A chemical fog artifact

Data for determining repeat rates should include at least ____ patients to obtain a statistical

sample large enough for valid results.

Wet pressure sensitization would be classified as _____ artifact.

Which of the following can occur as a result of a double set of grid lines?

Which of the following artifacts can occur in both CR and film/screen radiography?

_____ can appear as dark bands at the interfaces of structures that differ widely in

brightness level such as barium examinations or metal prosthesis.

A photocathode is a device that emits

A reduction in brightness at the periphery of the image captured with an image intensifier

tube is referred to as

The input phosphor of an image intensifier tube converts a(n) _____ image into a(n) _____

image

In standard broadcast television, one image frame consists of

The television camera most commonly used to capture the fluoroscopic image from a tube

type image intensifier is the:

Which type of distortion that can occur with tube-type fluoroscopic image intensifiers is

most often caused by the presence of strong magnetic fields?

Performance testing of fluoroscopic systems must include all the following except

Which type of test tool may be used to demonstrate pincushion distortion?

Quality control tests of fluoroscopic systems should be performed

At any combination of tube potential and current, fluoroscopic equipment with an automatic

brightness control should not produce an entrance skin exposure exceeding ____ R/min.

Photoconductors convert x-ray energy into

The most important component affecting the spatial resolution in digital subtraction

angiography is the

Going from a 256 x 256 to a 512 x 512 matrix doubles an image’s

The DICOM standard does not specify an image’s

Benefits of digital PACS images do not generally include

Which of the following uses photostimulable phosphors?

The limiting spatial resolution is also known as the

CRT monitors for viewing digital images by the technologist should have a luminance value

higher than ____ nit.

The contrast ratio of a viewing monitor should be higher than

Film utilized in dry laser printers uses silver _____ emulsions.

Two common quality control tests that should be performed on grids are grid _____ and grid

_____ tests.

The minimum filtration required for general-purpose radiographic systems is _____ mm Al.

The maximum dose to the fetus of an occupational worker for the entire gestation period is

_____ rem.

Relative screen speed values and screen resolution capability can be said to be