Lab: Graphing the Cost Benefits of Nuclear Radiation Treatment

Lab: Graphing the Cost Benefits of Nuclear Radiation Treatment
Lab: Graphing the Cost Benefits of Nuclear Radiation Treatment
Lab: Graphing the Cost Benefits of Nuclear Radiation Treatment
Lab: Graphing the Cost Benefits of Nuclear Radiation Treatment
Lab: Graphing the Cost Benefits of Nuclear Radiation Treatment
Lab: Graphing the Cost Benefits of Nuclear Radiation Treatment
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Doctors sometimes administer a tiny dose of a radioactive isotope of iodine, iodine-131, to study the uptake by the thyroid gland. They COULD use iodine-123 to increase patient comfort, and require fewer extra hospital visits involved in repeated ablative sessions. But it costs more - a lot more. And the results might not be significantly better.

In this activity, Ss are challenged to use their graphing calculators (TI-83 or Excel spreadsheet), and their knowledge of physics, physicians, and funding to have the best results! ­

SWBAT:
• Describe the dangers and possible health effects of exposure to nuclear radiation.
­• Identify several beneficial uses of nuclear radiation.
­• make a graph from research data that shows the decay activity of the radioactive isotope iodine-131 in the human body.
­• analyze the graph to find out how iodine-131 is taken up by the thyroid gland.
­• calculate the effective half-life of iodine-131 in the body.
­• explain that a change in supply is represented by a translation (a parallel shift) in the supply curve
­• explain that an increase in supply decreases price and increases quantity exchanged while a decrease in supply increases price and decreases quantity exchanged
­• explain that a change in demand is represented by a translation (a parallel shift) in the demand curve
­• explain that an increase in demand increases price and quantity exchanged while a decrease in demand reduces price and quantity exchange
­• calculate the price differentials between iodine-131 and iodine-123
­• determine which is the best iodine isotope for diagnostic scanning of the thyroid

Total Pages
23 pages
Answer Key
Included
Teaching Duration
3 hours
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