Radiology

What strucure will appear most radiolucent on a radiograph?

Many areas of black and white = __________ scale contrast, and ________ contrast

Many areas of gray = _______ scale contrast, and ________ contrast

The stepwedge can be used to demonstrate __________. It can also be used to monitor the ________ of film and film processing

the _______ _______ of the ________ serves as a focal spot and converts electrons into x-ray photons

The _______ the focal spot the sharper the image. Also, the emulsion of faster films contain __________ crystals that produce ________ image sharpness

a decrease in object-film distance = a ______ in magnification

What portion of the silver halide crystals is chemically removed during the reduction process of film processing?

What results in precipitated black metalic silver?

true or false. selective reduction refers to the reduction of the energized exposed silver halide crystals into black metallic silver, while the unenergized unexposed silver halide crystals are removed from the film

White areas on the film result from the removal of ___________ by the __________ solution

When does the film emulsion harden?

Both powder and liquid concentrate forms of film processing solutions must be mixed with ____________

How often should the film processing solutions be replenished? Changed?

What is the optimum temperature for developing?

What is the purpose of the restrainer?

true or false. The restrainer in the developer solution stops the development of both unexposed and exposed crystals, it is most effective in stopping the development of the unexposed crystals

What is about the average amount of films that are processed in a day?

What is the purpose of the hardening agent in the fixer solution?

Films that are unwrapped too close to the safe light for more than ____ -_____ minutes appear fogged. Also, a safelight must be placed a minimum of ______ feet away from the film and working area

weakened or exhausted developer solution produces what?
weakened or exhausted fixer solution produces what?

How often should the automatic film processor be cleaned

an extraoral sized cleaning film removes any ________________ or ______ from the rollers of the automatic processor

Developer spots are ______ spots on the film. Fixer spots are _________ spots on the film

What is the appearance of static electricity on the film?

What will help you view the films better once they are mounted?

When and where should films be mounted?

curve of spee curves________towards the distal

If you have higher temperature you should ________ developer time