RADIATION THERAPY questions with correct answers

What is the Goal of Radiation Therapy - Answer Is to sterilize a targeted tumor completely while preserving the integrity of surrounding normal structures. Principles of Radiation Therapy - Answer High-energy ionizing radiation destroys the cancer cell's ability to grow and multiply. Some cells are directly damaged by the ionizing rays or particles. More cells are indirectly affected when the ionizing rays or particles penetrate the cell's nucleus and interact with the water content of the nucleus to form oxygen radicals. Radiosensitivity of Cancer Cells - Answer Radiosensitivity of cells depend on several factors: Type of Cell Phase of the Cell Cycle Division rate of the cell Degree of differentiation Oxygenation Radiation Therapy Limitations - Answer Body tissues have limits to the amount of radiation that can be tolerated. Exceeding those limits can result in serious complications. Emami Article Qualtrex Principles of Radiation Therapy - Answer Radiation dose is determined by: Radiosensitivity of the tumor.