Podcast
Questions and Answers
Which type of radiation disrupts the atomic structure of the absorber, causing chemical and biological changes?
Which type of radiation disrupts the atomic structure of the absorber, causing chemical and biological changes?
- Indirectly ionizing radiation
- Gamma rays
- X-rays
- Directly ionizing radiation (correct)
What is the average amount of energy that a particular radiation imparts to the local medium per unit length called?
What is the average amount of energy that a particular radiation imparts to the local medium per unit length called?
- Linear energy transfer (LET) (correct)
- Radiation interaction with matter
- Compton process
- Absorption of X-Rays
In diagnostic radiology, which two processes occur during X-ray photon absorption?
In diagnostic radiology, which two processes occur during X-ray photon absorption?
- Photoelectric and absorption of X-Rays
- Compton and absorption of X-Rays
- Compton and photoelectric absorption processes (correct)
- Compton and gamma ray absorption processes
Which process dominates at higher energies?
Which process dominates at higher energies?
Which process is important at lower energies?
Which process is important at lower energies?
Which process varies rapidly with atomic number (Z)?
Which process varies rapidly with atomic number (Z)?
Which process interacts with atomic nuclei rather than electrons?
Which process interacts with atomic nuclei rather than electrons?
Which type of radiation is directly ionizing?
Which type of radiation is directly ionizing?
What is the process by which X-ray photons interact with free electrons, transferring some of their energy as kinetic energy to the electron?
What is the process by which X-ray photons interact with free electrons, transferring some of their energy as kinetic energy to the electron?
What is the dominant process at high energies during X-ray photon absorption?
What is the dominant process at high energies during X-ray photon absorption?
Which process is dominant for radiations with high linear energy transfer (LET), like neutrons or α-particles?
Which process is dominant for radiations with high linear energy transfer (LET), like neutrons or α-particles?
Which type of radiation interacts with other atoms or molecules in cells, especially water, producing free radicals that can damage critical targets?
Which type of radiation interacts with other atoms or molecules in cells, especially water, producing free radicals that can damage critical targets?
What is the primary target for radiation in Radiation Biology?
What is the primary target for radiation in Radiation Biology?
Which process interacts with a bound electron in the atom's shell, transferring all its energy to the electron?
Which process interacts with a bound electron in the atom's shell, transferring all its energy to the electron?
