(a) What is ionizing radiation? What is non-ionizing radiation? How do we define/specify it? How does ionizing radiation cause damage? (b) On average how much radiation one is exposed in a chest x-ray, head CT, and full body CT? For a child, in which conditions a head CT is recommended (pros and cons)? (c) When radiation therapy is used to kill cancerous cells in the body, it is important to measure the dose correctly to avoid unnecessary damage to normal cells in the body. In radiation therapy, a very large dose of radiation, about 5,000,000 millirem (or 5,000 rem) is delivered to the tumor site. What kind of radiation sources are used in radiation therapy? How does radiation kill cancer cells? What are some negative effects of radiation therapy?
(a) What is ionizing radiation? What is non-ionizing radiation? How do we define/specify it? How does ionizing radiation cause damage? (b) On average how much radiation one is exposed in a chest x-ray, head CT, and full body CT? For a child, in which conditions a head CT is recommended (pros and cons)? (c) When radiation therapy is used to kill cancerous cells in the body, it is important to measure the dose correctly to avoid unnecessary damage to normal cells in the body. In radiation therapy, a very large dose of radiation, about 5,000,000 millirem (or 5,000 rem) is delivered to the tumor site. What kind of radiation sources are used in radiation therapy? How does radiation kill cancer cells? What are some negative effects of radiation therapy?
Chapter8: Forms Of Drugs And How They Act
Section: Chapter Questions
Problem 27RQ
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