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- Question 1 of 20
1. Question
In film radiography, penetrameters are usually placed;
CorrectIncorrect - Question 2 of 20
2. Question
Three liquids which are essential to process an exposed film properly are:
CorrectIncorrect - Question 3 of 20
3. Question
The two most common causes for excessively high-density radiographs are:
CorrectIncorrect - Question 4 of 20
4. Question
If a film is placed in a developer solution and allowed to develop without any agitation:
CorrectIncorrect - Question 5 of 20
5. Question
Fluorescent intensifying screens are usually mounted in pairs in rigid holders called:
CorrectIncorrect - Question 6 of 20
6. Question
Which of the following materials is suitable for use in vessel or pails and used to mix processing solutions?
CorrectIncorrect - Question 7 of 20
7. Question
As a check on the adequacy of the radiographic technique, it is customary to place a standard test piece on the source side of the specimen. This standard test piece is called a:
CorrectIncorrect - Question 8 of 20
8. Question
Kilovoltage, exposure time, and source-to-film distance are three of the most important X-ray exposure factors that can be controlled. A fourth such exposure factor is:
CorrectIncorrect - Question 9 of 20
9. Question
The normal development time for manually processing X-ray film is:
CorrectIncorrect - Question 10 of 20
10. Question
One requirement for keeping fluorescent screens in good condition is that they must:
CorrectIncorrect - Question 11 of 20
11. Question
An unshielded isotope source gives a dosage rate of 900 mR/h at 3 m (10 ft). What would the unshielded dosage rate be at 9 m (30 ft)?
CorrectIncorrect - Question 12 of 20
12. Question
The lead symbol “B” is attached to the back of the film holder to determine:
CorrectIncorrect - Question 13 of 20
13. Question
What is som0etimes used to change the alternating current from the high voltage transformer to direct current for the purpose of increasing the X-ray machine output?
CorrectIncorrect - Question 14 of 20
14. Question
Approximately, what percent of the original radioactivity is left after 6 half-lives?
CorrectIncorrect - Question 15 of 20
15. Question
Survey meters provide:
CorrectIncorrect - Question 16 of 20
16. Question
A filter will reduce the amount of __________ in the primary radiation beam.
CorrectIncorrect - Question 17 of 20
17. Question
If we are to maintain the same exposure but must decrease the source-to-film distance, we must ________ the time of exposure
CorrectIncorrect - Question 18 of 20
18. Question
An artifact is a film defect that results from lack of cleanliness, or improper film handling or processing.
CorrectIncorrect - Question 19 of 20
19. Question
What is the purpose of the developing solution?
CorrectIncorrect - Question 20 of 20
20. Question
With a given exposure time and kilovoltage, a properly exposed radiograph is obtained with a 6 mA-minutes exposure at the distance of 51 cm (20 in.). It is desired to increase the sharpness of detail in the image by increasing the source-to-film distance to 102 cm (40 in.). The correct milliamperage-minutes exposure to obtain the desired radiographic density at the increased distance is:
CorrectIncorrect