Radionuclide Imaging and Therapy (AQA A-Level Physics): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What type of radioisotopes are used as tracers in radionuclide imaging?
What type of radioisotopes are used as tracers in radionuclide imaging?
Gamma-emitting radioisotopes
What is the physical half-life of Technetium-m?
What is the physical half-life of Technetium-m?
hours
What type of radiation does Technetium-m emit?
What type of radiation does Technetium-m emit?
Pure gamma radiation
For which medical investigation is Iodine- particularly useful?
For which medical investigation is Iodine- particularly useful?
Thyroid investigations
Which radioisotope emits both beta and gamma radiation?
Which radioisotope emits both beta and gamma radiation?
Iodine-
What is the half-life of Molybdenum- used to produce Technetium-m?
What is the half-life of Molybdenum- used to produce Technetium-m?
hours
What type of radioisotopes does PET scanning use?
What type of radioisotopes does PET scanning use?
Positron-emitting radioisotopes
In PET scanning, what does positron-electron annihilation produce?
In PET scanning, what does positron-electron annihilation produce?
Gamma rays in opposite directions
Which advantage of PET scans relates to brain imaging?
Which advantage of PET scans relates to brain imaging?
Gamma rays penetrate the skull easily
What is a major disadvantage of PET scanners in terms of accessibility?
What is a major disadvantage of PET scanners in terms of accessibility?
Expensive and less accessible