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Exam 9: Dental X-Ray Film Processing

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Question 21

Multiple Choice

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From where will you retrieve your film when it exits the automatic processor?

A) Drying chamber
B) Film feed slot
C) Film recovery slot
D) Film retrieval holding area

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Question 22

Multiple Choice

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Concentrated powder and liquid film processing solutions are mixed with _______ before use.

A) ammonia
B) vinegar
C) tap water
D) distilled water

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Question 23

Multiple Choice

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Normal use of processing chemistry is defined as ____ intraoral films per day.

Developer cutoff appears as a

All of your anterior radiographs have a single crescent shaped radiolucent line toward the incisal edge of the radiograph.What is the most likely caused of this?

The overall appearance of your films is too dark.Which of the following is the cause of this error?

Safelighting is a ______-intensity light composed of ______ wavelengths of the visible light spectrum.

Developer solution will not be effective below

An extraoral cleaning film is used to

When comparing current patient radiographs to radiographs taken several years ago,you noticed that the radiographs taken several years ago have a yellowish brown appearance.You realize that you have seen the same type of spotting with other radiographs that were taken several years ago.What is the cause of this?

(1) The developer solution becomes depleted from evaporation and the removal of small amounts of solution from the tank on the film hanger and films.(2) With time and use,the developer solution decreases in volume but increases in strength.

You have just developed a set of bitewings.When they come out of the automatic processor,the radiographs are clear.What is the cause of this error?

Insufficient fixation time or insufficient rinsing would lead to

(1) The master and insert tanks must be cleaned with a solution of hydrochloric acid and water each time the solutions are changed,(2) because deposits form on the inside walls of the insert tanks from an interaction between mineral salts in the water and carbonate in the processing solutions.

Underdeveloped films may result from

The purpose of a stirring rod is to

The black shades and the distinct contrast of the radiographic image are created by _______________ in the developer solution.

To maintain freshness,strength,and solution levels,film processing and wet tank solutions must be replenished

Developer solution should be kept at____ degrees Fahrenheit for optimum developing conditions.

(1) Developer chemicals contain a preservative that prevents the chemicals from oxidizing when exposed to air.(2) Sodium carbonate is the preservative used in developer solutions.