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Questions and Answers
Why is it important for exposure charts to be posted at the x-ray unit control panel?
Why is it important for exposure charts to be posted at the x-ray unit control panel?
- To comply with safety regulations and provide easy access. (correct)
- To enhance the speed of x-ray imaging.
- To eliminate the need for digital sensors.
- To allow operators to memorize exposure factors.
What factors do exposure charts typically indicate for different films and digital sensors?
What factors do exposure charts typically indicate for different films and digital sensors?
- Film color and equipment age.
- Exposure time, milliamperage, and peak kilovoltage. (correct)
- Type of x-ray machine and operator experience.
- Patient height and weight.
What advantage do some dental x-ray machines offer concerning exposure factors?
What advantage do some dental x-ray machines offer concerning exposure factors?
- They have universal exposure standards applicable to all regions.
- They provide a backup manual for troubleshooting exposure settings.
- They do not require adjustment by the operator.
- They automatically adjust exposure settings based on the region selected. (correct)
What might be a consequence of failing to use exposure charts in x-ray procedures?
What might be a consequence of failing to use exposure charts in x-ray procedures?
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Which of the following describes exposure charts effectively?
Which of the following describes exposure charts effectively?
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Study Notes
Exposure Factors for Dental Imaging
- Operators should have exposure charts readily available for reference, even if they know the factors by heart.
- Exposure charts are commercial or custom-made and should be posted at the x-ray unit control panel.
- In some regions, regulations mandate the posting of exposure charts.
- Exposure charts provide visual reference of exposure times for film or digital sensors at various combinations of exposure time, MA, and kVp.
- Some dental x-ray machine manufacturers have built-in exposure factors for routine procedures.
- With these machines, operators only need to set the desired region on the control panel dial, and the unit automatically sets the required exposure factors.
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