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DMI 21 APPLIED PHYSICS QUIZ 1 QUESTIONS AND ANSWERS
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DMI 21 APPLIED PHYSICS QUIZ 1 QUESTIONS AND ANSWERS...
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DMI 21 APPLIED PHYSICS QUIZ 1QUESTIONS AND ANSWERS
What is one of the most important things you have to do when you are taking a
radiograph? - ANSWER Make sure you have the correct patient!
What is contrast? - ANSWER Difference between black and white in adjacent
areas of film or image.
If you are using a film or a printed image, what do you use to measure the
optical density? - ANSWER Densitometer
To get that varying steps of density you would use a ____. - ANSWER
Penetrometer (Step-Wedge)
Remember the difference between additive pathology and destructive pathology
- ANSWER difference
What is a destructive pathology that would need a decrease in technique? -
ANSWER Osteoporosis
What is the Osteo that is an additive pathology? - ANSWER Osteopetrosis
Gray levels and their tissue (5) - ANSWER 1. White - Bone
2. Light Gray - Fluid
3. Gray - Muscle
4. Dark Gray - Fat
5. Black - Air
What are some things that will affect radiographic density? (6) - ANSWER 1.
kVp (indirectly)
2. mA
3. Time
4. Distance
5. Thickness of part
6. Pathology
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