Nuclear Radiation in Medicine 1
| First | First | Last | Quiz Score Total | Question 1a | 1a) What are radioactive tracers used for in medicine? | 1b) Alpha emitters are never used as tracers in the body. Explain why not? | 1c) Most radioactive tracers used in medicine emit gamma radiation. Give two reasons why gamma emitters make better tracers than beta emitters? | Question 1d | 1d) Calculate the fraction of undecayed technetium-99 present in their body after two days? | Show Your Workings: | Question 1e | Radioactive tracers must not decay into ............ isotopes. This is because they will continue to decay, producing ionising radiation and damaging the patient's healthy cells. | Quiz Percentage Grade |
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| First | First | Last | Quiz Score Total | Question 1a | 1a) What are radioactive tracers used for in medicine? | 1b) Alpha emitters are never used as tracers in the body. Explain why not? | 1c) Most radioactive tracers used in medicine emit gamma radiation. Give two reasons why gamma emitters make better tracers than beta emitters? | Question 1d | 1d) Calculate the fraction of undecayed technetium-99 present in their body after two days? | Show Your Workings: | Question 1e | Radioactive tracers must not decay into ............ isotopes. This is because they will continue to decay, producing ionising radiation and damaging the patient's healthy cells. | Quiz Percentage Grade |