How Does Radiation Therapy Work On Cancer Cells Quizlet

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.

How does radiation therapy work on cancer cells quizlet. A cancer diagnosis may mean radiation therapy. How radiation therapy works against cancer. The damage to normal cells causes unwanted side effects. Radiation therapy most often uses x rays but protons or other types of energy also can be used.

Learn the types of therapy cancers each treats and side effects. Radiation therapy kills cancer cells that are dividing but it also affects dividing cells of normal tissues. The term radiation therapy most often refers to external beam radiation therapy. Radiation therapy uses high energy particles or waves such as x rays gamma rays electron beams or protons to destroy or damage cancer cells.

It shrinks tumors and kills cancer cells. A machine outside the body external beam radiation therapy 2. Cancer therapy radiation study guide by acraggs includes 11 questions covering vocabulary terms and more. What is radiation therapy.

Some cells are directly damaged by the ionizing rays or particles. Radiation therapy can either damage dna directly or create charged particles free radicals within the cells that can in turn damage the dna. Radiation therapy kills cancer cells by damaging their dna the molecules inside cells that carry genetic information and pass it from one generation to the next 2. Systemic radiation therapy uses radioactive substances such as radioactive iodine that travel in the blood to kill cancer cells.

When the damaged cells die they are broken down and removed by the body. Radiation therapy does not kill cancer cells right away. High energy ionizing radiation destroys the cancer cell s ability to grow and multiply. At high doses radiation therapy kills cancer cells or slows their growth by damaging their dna.

During this type of radiation the high energy beams come from. Quizlet flashcards activities and games help you improve your grades. Radiation doesn t always kill cancer cells or normal cells. Cancer cells whose dna is damaged beyond repair stop dividing or die.

Radiation therapy is always a balance between destroying the cancer cells and minimizing damage to the normal cells. Radiation is one of the most common treatments for cancer. Radiation therapy is a type of cancer treatment that uses beams of intense energy to kill cancer cells. How does radiation therapy work.