Nuclear Medicine Physics Module 1: Introduction
36 Questions
1 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What was discovered by Röntgen?

  • Nuclear medicine
  • Stable nuclei
  • X rays (correct)
  • Natural radioactivity

    • Why are innovations in nuclear medicine possible?

  • Because of a clear understanding of radiation sources and detection (correct)
  • Due to the advancements in equipment and techniques
  • Due to the stability of nuclei
  • Due to the discovery of natural radioactivity

    • What is a characteristic of stable lighter nuclei?

  • They are always radioactive
  • They contain a single proton
  • They have a large number of neutrons
  • They have nearly equal numbers of protons and neutrons (correct)

    • What is the condition for practising nuclear medicine safely?

    <p>Having a clear understanding of radiation sources and detection</p> Signup and view all the answers

    What is the main advancement in nuclear medicine over the last century?

    <p>Improvements in equipment and techniques</p> Signup and view all the answers

    What is the importance of asking questions during lectures or practical sessions?

    <p>To clarify any doubts or misunderstandings</p> Signup and view all the answers

    What occurs when an additional proton is forced into a stable nucleus?

    <p>A neutron deficit</p> Signup and view all the answers

    What happens to the mass number of an atom when it is bombarded with a neutron in a cyclotron?

    <p>It remains unchanged</p> Signup and view all the answers

    What is a characteristic of radionuclides produced in a cyclotron?

    <p>They are short-lived</p> Signup and view all the answers

    Why are medical minicyclotrons designed to produce short-lived radionuclides at or near the hospital site?

    <p>To ensure timely use of short-lived radionuclides</p> Signup and view all the answers

    What is the result of bombarding oxygen-18 with a proton in a cyclotron?

    <p>The production of fluorine-18</p> Signup and view all the answers

    What type of particles are accelerated in a cyclotron?

    <p>Positively charged ions</p> Signup and view all the answers

    What is a characteristic of isotopes of an element?

    <p>They have the same number of protons and chemical properties.</p> Signup and view all the answers

    What is the difference between 14C and 12C?

    <p>Number of neutrons</p> Signup and view all the answers

    What is the term for unstable nuclei that decay by emitting radiation?

    <p>Radionuclides</p> Signup and view all the answers

    What is the process by which radionuclides are produced?

    <p>Forcing an additional neutron into a stable nucleus</p> Signup and view all the answers

    What is the approximate number of known radionuclides?

    <p>2700</p> Signup and view all the answers

    What is the term for the radiation exposure from natural sources?

    <p>Background radiation</p> Signup and view all the answers

    What is the primary reason for the development of new technologies in nuclear medicine?

    <p>To improve patient care</p> Signup and view all the answers

    What is the condition for the stability of lighter nuclei?

    <p>Nearly equal numbers of protons and neutrons</p> Signup and view all the answers

    What is the key factor in the safe practice of nuclear medicine?

    <p>A strong understanding of both radiation sources and radiation detection</p> Signup and view all the answers

    What is the main driving force behind the innovations in nuclear medicine over the last century?

    <p>Innovation in equipment and techniques</p> Signup and view all the answers

    What is the percentage of stable nuclei in the world?

    <p>Almost all</p> Signup and view all the answers

    What is the main benefit of advancements in nuclear medicine over the last century?

    <p>Improved patient care</p> Signup and view all the answers

    What is a characteristic that defines isotopes of an element?

    <p>Same number of protons, but different number of neutrons</p> Signup and view all the answers

    What happens when an additional neutron is forced into a stable nucleus?

    <p>A neutron excess occurs</p> Signup and view all the answers

    What is the term for unstable nuclei that decay by emitting radiation?

    <p>Radionuclides</p> Signup and view all the answers

    What is the purpose of producing radionuclides in medical imaging?

    <p>For diagnostic imaging</p> Signup and view all the answers

    How are radionuclides used in medical imaging produced?

    <p>Artificially produced in a nuclear reactor</p> Signup and view all the answers

    What do naturally occurring radionuclides contribute to?

    <p>Background radiation exposure</p> Signup and view all the answers

    What happens to the atomic number of a nucleus when a neutron is added to it?

    <p>It remains unchanged</p> Signup and view all the answers

    What is the result of bombarding a stable nucleus with a proton in a cyclotron?

    <p>A neutron is knocked out, and the atomic number increases</p> Signup and view all the answers

    What is a characteristic of radionuclides produced in a medical minicyclotron?

    <p>They are short-lived, with half-lives ranging from less than a minute to a couple of hours</p> Signup and view all the answers

    What is the purpose of a medical minicyclotron?

    <p>To produce short-lived radionuclides for medical use at or near the hospital site</p> Signup and view all the answers

    What is the effect of adding a neutron to a stable nucleus?

    <p>The mass number increases by one</p> Signup and view all the answers

    What is the mechanism by which a cyclotron produces radionuclides?

    <p>By accelerating positively charged ions</p> Signup and view all the answers

    More Like This

    Use Quizgecko on...
    Browser
    Open
    Browser
    Browser