Podcast
Questions and Answers
What is the main characteristic that distinguishes isotopes of an element?
What is the main characteristic that distinguishes isotopes of an element?
- Different number of neutrons (correct)
- Different chemical properties
- Different position in the periodic table
- Different number of protons
Which of the following isotopes is stable?
Which of the following isotopes is stable?
- Carbon-10
- Carbon-14
- Carbon-12 (correct)
- Carbon-11
What happens to unstable nuclei?
What happens to unstable nuclei?
- They merge with other nuclei to become stable
- They remain unstable forever
- They become stable without emitting radiation
- They emit alpha, beta, and gamma radiation to become stable (correct)
What is the source of radionuclides used in medical imaging?
What is the source of radionuclides used in medical imaging?
How are radionuclides produced artificially?
How are radionuclides produced artificially?
What is the term for unstable nuclei that are radioactive?
What is the term for unstable nuclei that are radioactive?
How many known radionuclides are there?
How many known radionuclides are there?
What happens to the mass of a nucleus when a neutron is absorbed?
What happens to the mass of a nucleus when a neutron is absorbed?
What is the result of forcing an additional proton into a stable nucleus?
What is the result of forcing an additional proton into a stable nucleus?
What is the purpose of a medical minicyclotron?
What is the purpose of a medical minicyclotron?
What is the typical half-life of radionuclides produced in a cyclotron?
What is the typical half-life of radionuclides produced in a cyclotron?
What is the outcome of the reaction 18O +p→ 18F +n?
What is the outcome of the reaction 18O +p→ 18F +n?
What is the function of a cyclotron in producing radionuclides?
What is the function of a cyclotron in producing radionuclides?
What happens to the atomic number of a nucleus when a proton is forced into it?
What happens to the atomic number of a nucleus when a proton is forced into it?
What is the result of neutron absorption by a nucleus?
What is the result of neutron absorption by a nucleus?
What is the origin of diagnostic imaging technologies used in nuclear medicine?
What is the origin of diagnostic imaging technologies used in nuclear medicine?
What is the primary reason for the development of new technologies in nuclear medicine?
What is the primary reason for the development of new technologies in nuclear medicine?
What is unique about the nucleus of ordinary hydrogen?
What is unique about the nucleus of ordinary hydrogen?
What is the characteristic of stable lighter nuclei?
What is the characteristic of stable lighter nuclei?
What is the necessary condition for practicing nuclear medicine safely?
What is the necessary condition for practicing nuclear medicine safely?
What has been the trend in nuclear medicine over the last century?
What has been the trend in nuclear medicine over the last century?
What is the proportion of stable nuclides in the world?
What is the proportion of stable nuclides in the world?
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