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Questions and Answers
What does exposure time control in radiography?
What does exposure time control in radiography?
- Intensity of the x-ray beam
- The duration of the x-ray exposure (correct)
- The penetrability of the x-ray beam
- The number of photons within the x-ray beam
How does decreasing the exposure time affect image quality?
How does decreasing the exposure time affect image quality?
- It decreases the number of photons within the beam
- It reduces motion artifacts (correct)
- It increases the density of the image receptor
- It reduces the beam intensity
What parameter is controlled by the product of mA and seconds (mAs)?
What parameter is controlled by the product of mA and seconds (mAs)?
- Beam penetrability
- Quantity of photons within the beam
- Patient dose
- Density/image receptor exposure (correct)
What happens to patient dose when there is a 50% increase in the number of photons emitted without a change in exposure time?
What happens to patient dose when there is a 50% increase in the number of photons emitted without a change in exposure time?
How does exposure time affect beam intensity?
How does exposure time affect beam intensity?
What does changing the current to the filament affect in radiography?
What does changing the current to the filament affect in radiography?
What factor determines the intensity of the radiation beam?
What factor determines the intensity of the radiation beam?
How does changing the milliampere (mA) setting on the equipment affect the radiation intensity?
How does changing the milliampere (mA) setting on the equipment affect the radiation intensity?
What is the unit of measurement for current in radiography?
What is the unit of measurement for current in radiography?
Which exposure factor controls the duration of radiation exposure?
Which exposure factor controls the duration of radiation exposure?
What happens to patient dose when the milliampere (mA) is increased without changing exposure time?
What happens to patient dose when the milliampere (mA) is increased without changing exposure time?
For radiography, what does mAs represent?
For radiography, what does mAs represent?
What does the term 'beam penetrability' refer to?
What does the term 'beam penetrability' refer to?
What factors determine the beam quantity or intensity?
What factors determine the beam quantity or intensity?
What happens when the current delivered to the filament is changed?
What happens when the current delivered to the filament is changed?
What does kilovoltage (kVp) primarily determine in the X-ray beam?
What does kilovoltage (kVp) primarily determine in the X-ray beam?
What is the unit for measuring current in X-ray equipment?
What is the unit for measuring current in X-ray equipment?
How does increasing the mA from 200 to 300 affect the X-ray beam?
How does increasing the mA from 200 to 300 affect the X-ray beam?
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