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Rad Protection Ch.16
Radiosotopes & Radiation Protection
| Question | Answer |
|---|---|
| Isotopes | Atoms with the same number of protons but different neutrons. |
| Some are unstable and that is referred to ______________. | Radioisotopes. |
| Iodine 131 | - Oral tablet for thyroid cancer. - In the hospital these patients have to have lead shields to protect the personnel. - Only trained oncology nurses and nuclear medicine personnel in room. |
| IODINE - 125 | - For radiation safety, limit close contact with small children and pregnant women for 6 months after implant. |
| IODINE - 125: | - Unstable radioactive isotope. Used in seed form for prostate glands. - Delivers 145 Gy to at least 90% of the prostate's volume, close to urethra, bladder and rectal wall. Implanted in OR. |
| Handling and Disposal of Radioactive Materials: | - Must follow State and Federal regulations. - Wear gloves. - Wear dosimeters. - Residual isotope returned to shielded container. - Must be held for a period of 10 half-lives. |
| IODINE - 123 | Concentrates in the thyroid gland. |
| TECHNETIUM - 99M | Most common very versatile can be mixed with a lot of compounds to evaluate circulatory, spleen, bone heart disorders. |
| _______________ uses radioisotopes to diagnose organ function, detect cancer and treat some disease. | Nuclear medicine. |
| ______ does not use pair production but used annihilation radiation. | PET/CT. |
| FLUORINE - 18 | - This can reveal locations the cells are getting what they need. - With PET/CT they can find out detailed information about the location and determine size and growths of the areas. |
| FLUORINE - 18: | - Examines metabolic processes of the body. - Cancer cells thrive on sugar for energy to multiply and spread. |
| Contamination | A radioactive dispersal device or dirty bomb. Remove clothing and take a shower. Detector checked radiation safety officer will assess. |
| PET | - Results in the production of high energy radiation. - Up to 2 inches of lead required for protection. - The patient is the radiation emitter. - Suites must be designed to protect personnel and the public. |
| _________ is not worth the risk | Cleanup. |
| Surface contamination = | Use infection control procedures. |
| PET considerations | Radiation safety shielding considerations for PET/CT scanners. |
| RADIATION EMERGENCIES: THE USE OF RADIATION AS A TERRORIST WEAPON | - CONTAMINATION. - CLEANUP OF A CONTAMINATED URBAN AREA. - MEDICAL MANAGEMENT OF PERSONS SUFFERING FROM RADIATION BIOEFFECTS. |
Created by:
sassyrad
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