6 Questions
What is the main difference between the photoelectric effect and characteristic radiation in the x-ray tube?
The incoming energy in the photoelectric effect is an x-ray photon interacting with an atom in the body, while in characteristic radiation it is an electron interacting with the tungsten anode.
What is a characteristic photon?
A photon that is emitted by an outer shell electron after a photoelectric interaction.
Why are photoelectric interactions less prevalent in the diagnostic energy range?
Because the likelihood of a Compton interaction is higher in the diagnostic energy range.
What is the primary difference between characteristic radiation and secondary radiation?
Characteristic radiation is produced when an electron interacts with the tungsten anode, while secondary radiation is produced when an x-ray photon interacts with an atom in the body
What is the likelihood of a photoelectric interaction determined by?
The kVp level and the electron-binding energy of the atom in which the interaction occurs
What happens to the incoming photon in a photoelectric interaction?
It is totally absorbed and creates an absorbed dose in the patient
Test your knowledge of the photoelectric effect and how it relates to characteristic radiation in the x-ray tube. This quiz will challenge your understanding of how x-ray photons interact with atoms in the body, specifically with inner orbital electrons. Brush up on your physics and see how well you know this important concept in medical imaging.
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