Explain how the type of decay, the half life and the chemical properties make the following radionuclides suitable for the given applications: A single gram of polonium will reach a temperature of 500°C making it useful as a source of heat for space equipment (α emitter, half lives of polonium isotopes range from less than a second to 200

Explain how the type of decay, the half life and the chemical properties make the following radionuclides suitable for the given applications: A single gram of polonium will reach a temperature of 500°C making it useful as a source of heat for space equipment (α emitter, half lives of polonium isotopes range from less than a second to 200

Principles Of Radiographic Imaging: An Art And A Science

6th Edition

ISBN:9781337711067

Author:Richard R. Carlton, Arlene M. Adler, Vesna Balac

Publisher:Richard R. Carlton, Arlene M. Adler, Vesna Balac

Chapter40: Nuclear Medicine And Molecular Imaging

Section: Chapter Questions

Problem 3RQ

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A 10.00 mg sample of technetium-93 (92.91024898 u) is used to heat 125.4 g of water from 23.4 degree C to 87.4 degree C. How many minutes will be required to heat the water if all of the energy generated from the decay is used to heat the water?
Find the approximate radiation dose (in mSv) for 0.1 Gy exposure to thermal neutrons. (Hint: relative biological effectiveness for various types of radiation can be found in Table 32.2 in the text.) A range of answers is acceptable.
The image shows a whole body bone scan using MDP (mono-diphosphonate) labelled with technetium-99m. Patient is injected with 600 MBq of Tc-99 MDP Technetium-99m is a pure gamma emitter, with physical half-life of 6 hours. a) Use the data to explain why technetium 99-m is a suitable radionuclide (AC 3.1) ● b) What other information would you need to assess the suitability of Technetium-99m as a radioactive tracer. (AC 3.1) Prompt questions
Technetium-99m (99m Tc) is a radioactive isotope commonly used in medical diagnosis. It emits gamma rays with a half-life of 6.0058 hours. A sample with activity 8.5 × 108 Bq is injected into a patient What percentage of this activity will remain after 28 hours? Give your answer as a percentage to 1 decimal place. Percentage of activity remaining: %
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Assume that you list the following types of electromagnetic radiation in order of increasing wavelength: () the gamma rays produced by a radioactive nuclide used in medical imaging: (ii) radiation from an FM radio station at 93.1 MHz on the dial; (iii) a radio signal from an AM radio station at 680 kHz on the dial; (iv) the yellow light from sodium vapor streetlights; (v) the red light of a light-emitting diode. Which one would be the second? Lütfen birini seçin: O a 680 kHz AM radio waves O b. the red light O c the yellow light O d. 93.1 MHz FM radio waves O e the gamma rays
The image shows a whole body bone scan using MDP (mono-diphosphonate) labelled with technetium-99m. • Patient is injected with 600 MBq of Tc-99 MDP • Technetium-99m is a pure gamma emitter, with physical half life of 6 hours. a) Use the data to explain why technetium 99-m is a suitable radionuclide (AC 3.1)
Write the nuclear equation for the positron decay of C-11.
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The decay of an isotope element follows a first-order reaction. Assuming that you start with 964 mg of the isotope element sample, after 39.4 hours of decay, you find that there is 275 mg of the sample remaining. What is the half-life time of this reaction?
430 rads of αα-particle radiation is equivalent to how many rads of X-rays in terms of biological damage?
Approximately what amount (in Sv) of short-term exposure to radiation produces noticeable effects in humans?