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level: Half Life and Uses of Radiation

Questions and Answers List

level questions: Half Life and Uses of Radiation

QuestionAnswer
What happens if you have 2 Sources with the same Radioactive Nuclei, but Different Half Lives?-The Nuclei with the Shortest Half Life will most likely have a Lower Activity, as its Less Likely for it to Decay, compared to the Other Nuclei
What is the most Important Factor when choosing a Radioactive Source?-A Balance needs to Emerge from -The Activity -The Half Life -Making sure it won't be Too Dangerous for Too Long
How are Tracers used for Medical Purposes? What even is it?-Simply Radioactive Isotopes that give off Gamma is Inserted in the Body via Injection or Digestion -This can help see how the Body is Functioning, and can note any Problems. This is seen through a Radiation Detector
What do Tracers need to Contain? Why?-They need a Half Life that is able to see Where its being Absorbed, but not too Long for it to Damage the Patient ,so Relatively Short -They need it to be a Gamma Source, as it can Pass out the Body and be Detected. If swapped for Alpha, it would lead to more Damaging Effects
When Treating Cancer, what is the Factor affecting it?-Seeing how Big and Type the Cancer is -Making sure the Body Cells won't be more Affected
How can you treat Cancer Externally?-Using Gamma Rays, narrow it on the Stationary Patient -This beam should be Focused on the Centre of the Cancer Tumour, risking any Damage done to Healthy Cells -This is done in Sets, giving the Healthy Cells time to Repair or be Replaced
How can you treat Cancer Internally?-Implants that emit Beta Radiation are Next, or Inside, the Tumour, which Damaged the Tumour -The Damage done to Healthy Cells and Tissues is Limited as it doesn't have a Big Range -IF the Implant has a SHORT Half life, then it can simply Remain there -IF the Implant has a LONG Half Life, then it needs to be Removed -IF The Implant has ALPHA Radiations, then it needs to be Managed Even More