MRI Hardware and Magnet Types
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Questions and Answers

What are the two main types of magnets used in MRI systems?

  • Helium magnets and ferromagnetic magnets
  • Ferrite magnets and neodymium magnets
  • Superconducting magnets and field magnets
  • Permanent magnets and electromagnets (correct)

    • Which magnetic field type is created by permanent magnets?

  • Constant magnetic field (correct)
  • Alternating magnetic field
  • Pulsed magnetic field
  • Variable magnetic field

    • What is the unit for magnetic field strength as mentioned in the text?

  • Joule
  • Watt
  • Gauss
  • Tesla (correct)

    • Why do permanent magnets in MRI systems usually have an open design?

    <p>To reduce anxiety for patients</p> Signup and view all the answers

    What characteristic makes field magnets more expensive than permanent magnets?

    <p>Better image quality</p> Signup and view all the answers

    Which type of magnet is known for not losing its magnetic field over time?

    <p>Permanent magnet</p> Signup and view all the answers

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