Flashcards in X-Ray Physics Deck (31):
What is the reason to incorporate the use of a small focal spot?
The best way to prevent scatter radiation from reaching the patient?
Which of the following in inversely related to contrast of the x-ray?
A grid ____ patient dose and ____ image quality.
Making sure the body part is parallel to the film results in decreased ____.
Chest films are taken at 72" SID so that ____ occurs.
Decreased magnification of the heart
Which of the following procedures is necessary when taking a LCN radiograph?
12:1 grid ratio
When the useful beam gets slowed down because it interacts with the target nucleus it is termed ____ radiation.
What causes an x-ray to become brown in color?
Which of the following changes should be made to decrease magnification?
Which of the following is the primary form of scatter radiation?
Which of the following would not affect the developing process?
Temperature of the rinse water
Increasing the kVp by ____% will double the density?
Utilizing a high kVp technique would ____ the contrast and ____ the density.
Screen-film contact is measured using the ____.
Wire mesh test
The greatest amount of scatter radiation when taking an x-ray is produced by the ____.
Solution temperatures that are too hot will ____ density.
Which of the following would NOT affect the quality of x-rays produced?
Which part of the x-ray machine does not allow low energy rays to get to the patient, thereby limiting scatter radiation?
When taking an x-ray where does thermionic emission occur?
The focusing cup
Which of the following is one of the side effects of using a grid when taking an x-ray?
Increases patient dose
Which of the following will give the best detail?
Which of the following best decreases the contrast?
If the focal film distance in doubled, what must you do to obtain a quality radiograph?
4 times the MAS
Store the film/cassette vertically to avoid ____ damage.
Static electricity produced when removing the film quickly from cassette can cause ____ and ____ lightning like lines on the film.
Black and Branching
Changes AC to DC
Steps up or steps down the power
Beam of radiation loses energy as it passes thru matter
____ or ____ tint is added to the base of the x-ray film to reduce glare?
Green or blue