DMI 21 Applied Physics Quiz 1 UPDATED
ACTUAL Exam Questions and CORRECT
Answers
What is one of the most important things you have to do when you are taking a radiograph? -
CORRECT ANSWER - Make sure you have the correct patient!
What is contrast? - CORRECT 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? -
CORRECT ANSWER - Densitometer
To get that varying steps of density you would use a ____. - CORRECT ANSWER -
Penetrometer (Step-Wedge)
Remember the difference between additive pathology and destructive pathology - CORRECT
ANSWER - difference
What is a destructive pathology that would need a decrease in technique? - CORRECT
ANSWER - Osteoperosis
What is the Osteo that is an additive pathology? - CORRECT ANSWER - Osteopetrosis
Gray levels and their tissue (5) - CORRECT ANSWER - 1. White - Bone
2. Light Gray - Fluid
3. Gray - Muscle
4. Dark Gray - Fat
5. Black - Air
ACTUAL Exam Questions and CORRECT
Answers
What is one of the most important things you have to do when you are taking a radiograph? -
CORRECT ANSWER - Make sure you have the correct patient!
What is contrast? - CORRECT 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? -
CORRECT ANSWER - Densitometer
To get that varying steps of density you would use a ____. - CORRECT ANSWER -
Penetrometer (Step-Wedge)
Remember the difference between additive pathology and destructive pathology - CORRECT
ANSWER - difference
What is a destructive pathology that would need a decrease in technique? - CORRECT
ANSWER - Osteoperosis
What is the Osteo that is an additive pathology? - CORRECT ANSWER - Osteopetrosis
Gray levels and their tissue (5) - CORRECT ANSWER - 1. White - Bone
2. Light Gray - Fluid
3. Gray - Muscle
4. Dark Gray - Fat
5. Black - Air
