Podcast
Questions and Answers
What is the average amount of energy deposited per unit track length in tissue by a specific type of radiation called?
What is the average amount of energy deposited per unit track length in tissue by a specific type of radiation called?
- Linear Energy Transfer (LET) (correct)
- Radiosensitivity
- Gamma rays
- Relative Biological Effectiveness (RBE)
Which factor influences radiosensitivity by affecting the ability to repair damage, hypoxia, cell cycle position, and growth fraction?
Which factor influences radiosensitivity by affecting the ability to repair damage, hypoxia, cell cycle position, and growth fraction?
- Volume of the initial tumor
- Linear Energy Transfer (LET) (correct)
- Relative Biological Effectiveness (RBE)
- Grade of malignancy
What type of radiation is associated with greater damage in a biologic system due to higher Linear Energy Transfer (LET)?
What type of radiation is associated with greater damage in a biologic system due to higher Linear Energy Transfer (LET)?
- X-rays
- Alpha particles (correct)
- Electrons
- Gamma rays
What is the ratio of the biological effectiveness of one type of ionizing radiation relative to another called?
What is the ratio of the biological effectiveness of one type of ionizing radiation relative to another called?
Why do many tumors initially respond to therapy but are ultimately incurable?
Why do many tumors initially respond to therapy but are ultimately incurable?
What physical factor increases and maximizes relative biological effectiveness (RBE) around 100 KeV/μm?
What physical factor increases and maximizes relative biological effectiveness (RBE) around 100 KeV/μm?
Which of the following best describes radiosensitivity?
Which of the following best describes radiosensitivity?
What is the latent period in radiation biology?
What is the latent period in radiation biology?
According to the law of Bergonie and Tribondeau, which cells are most sensitive to ionizing radiation?
According to the law of Bergonie and Tribondeau, which cells are most sensitive to ionizing radiation?
Which type of cells are considered least sensitive to ionizing radiation?
Which type of cells are considered least sensitive to ionizing radiation?
According to the law of Bergonie and Tribondeau, which tumors are highly susceptible to radiation?
According to the law of Bergonie and Tribondeau, which tumors are highly susceptible to radiation?
In which phase of the cell cycle are cells most sensitive to ionizing radiation?
In which phase of the cell cycle are cells most sensitive to ionizing radiation?
