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Questions and Answers
What is one primary mechanism by which attenuation of an x-ray beam occurs?
What is one primary mechanism by which attenuation of an x-ray beam occurs?
- Emission of new photons
- Increase in beam speed
- Refraction of the beam
- Absorption of photons (correct)
Which factor does NOT influence the attenuation of an x-ray beam?
Which factor does NOT influence the attenuation of an x-ray beam?
- Color of the absorber (correct)
- Depth of the material
- Beam energy
- Atomic number of the absorber
What effect does increasing the atomic number of an absorber typically have on x-ray beam attenuation?
What effect does increasing the atomic number of an absorber typically have on x-ray beam attenuation?
- It has no effect on attenuation
- It decreases attenuation
- It changes the speed of the x-ray beam
- It increases attenuation (correct)
Which of the following accurately describes the scattering aspect of attenuation?
Which of the following accurately describes the scattering aspect of attenuation?
How does increasing beam energy affect the attenuation of x-rays in matter?
How does increasing beam energy affect the attenuation of x-rays in matter?
Flashcards
X-ray Attenuation
X-ray Attenuation
The decrease in intensity of an x-ray beam as it passes through matter.
Absorption
Absorption
The process where x-ray photons are completely absorbed by the material they interact with.
Scatter
Scatter
The deflection of x-ray photons from their original path due to interactions with matter.
Beam Energy
Beam Energy
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Atomic Number
Atomic Number
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Study Notes
Attenuation of X-ray Beams
- Attenuation reduces the intensity of an x-ray beam as it passes through matter.
- Reduction results from absorption or deflection (scattering) of the x-ray photons.
- Factors influencing attenuation include the beam's energy and the atomic number of the material absorbing the beam.
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