Nuclear Medicine True/False

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Topic: Nuclear Medicine
Question 1 of 90
Regarding radioactivity:
  • AAll stable nuclei have equal numbers of protons and neutrons
  • BIsotopes are nuclides of the same element which have differing numbers of neutrons
  • CRadionuclides are by definition unstable
  • DMost radioactive substances occur naturally
  • EThe Système International (SI) unit of radioactivity is the becquerel (Bq)