9 Questions
True or false: PLD repair occurs if cells are prevented from dividing for 4 hours or more after irradiation.
False
True or false: SLD repair occurs if radiation dose is split into three fractions separated in time.
False
True or false: Brachytherapy techniques involve implanting radioactive sources close to tumors.
True
Which type of radiation shows a significant dose-rate effect?
X-rays
What is the timing for sublethal damage repair (SLD) in mammalian cells?
About 1 hour
Which type of brachytherapy technique is typically replaced by HDR (high-dose-rate) brachytherapy?
Intracavitary brachytherapy
Which type of radiation shows a nearly nonexistent dose-rate effect?
Neutrons
What is the main mechanism behind the sublethal damage repair (SLD) phenomenon?
Repair of DNA breaks
Which type of brachytherapy technique involves placing radioactive sources in body cavities near tumors?
Intracavitary Brachytherapy
Test your knowledge on fractionated radiation and the dose-rate effect with this quiz. Learn about potentially lethal damage repair (PLD) and how it is defined. Explore the conditions under which PLD repair occurs and discover the demonstration techniques used in vitro and in vivo.
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