Radiation Therapy- Questions and
Answers| Latest Update
What is protracted radiation? radiation dose given all at once
What is Fractionated radiation? Small amounts of radiation over long period of time.
1st Reported Successful Rad therapy Treatment was performed by? Clarence E. Skinner
Why are High energy x-rays used vs alpha particles in rad therapy? Alpha particles are not
strong enough, skin takes the hit.
High energy x-rays can penetrate through skin to tumor spot.
Law of Bergonie' & Tribondeau states Stem cells are radiosensitive.
The higher the metabolic rate, the more radiosensitive the cells are.
As proliferation rate increases, so does the radiosensitivity
What is "target" theory? DNA molecule is primary target of ionizing radiation
What is a carcinogen? chemical inducing cancer
Therapeutic Ratio Must have a ratio greater than ____ to be successful. 1
What is the Skin Sparing Effect? Greater energy x-rays are able to penetrate deeper &
deposit its energy (sparing the skin).
What is Brachytherapy? implanted radioactive "seeds" within the tissue or organ
Answers| Latest Update
What is protracted radiation? radiation dose given all at once
What is Fractionated radiation? Small amounts of radiation over long period of time.
1st Reported Successful Rad therapy Treatment was performed by? Clarence E. Skinner
Why are High energy x-rays used vs alpha particles in rad therapy? Alpha particles are not
strong enough, skin takes the hit.
High energy x-rays can penetrate through skin to tumor spot.
Law of Bergonie' & Tribondeau states Stem cells are radiosensitive.
The higher the metabolic rate, the more radiosensitive the cells are.
As proliferation rate increases, so does the radiosensitivity
What is "target" theory? DNA molecule is primary target of ionizing radiation
What is a carcinogen? chemical inducing cancer
Therapeutic Ratio Must have a ratio greater than ____ to be successful. 1
What is the Skin Sparing Effect? Greater energy x-rays are able to penetrate deeper &
deposit its energy (sparing the skin).
What is Brachytherapy? implanted radioactive "seeds" within the tissue or organ
