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The History of MRI: From Democritus to Modern Imaging
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The History of MRI: From Democritus to Modern Imaging

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Questions and Answers

Who discovered that electricity produces magnetism?

  • Jean-Baptiste-Joseph Fourier
  • Hans Christian Oersted
  • Michael Faraday (correct)
  • Heinrich Hertz
  • Which Greek philosopher theorized that all matter is made of indivisible and invisible particles?

  • Nikola Tesla
  • Democritus (correct)
  • Michael Faraday
  • Hans Christian Oersted
  • Who discovered magnetic lines of force could be mathematically expressed?

  • Heinrich Hertz
  • Sir James Clerk Maxwell (correct)
  • Isidor Isaac Rabi
  • Hans Christian Oersted
  • What did JEAN-BAPTISTE-JOSEPH FOURIER contribute to MRI?

    <p>Introduced the Fourier Transform</p> Signup and view all the answers

    Who discovered that invisible electromagnetic waves exist with varying wave frequencies?

    <p>Heinrich Hertz</p> Signup and view all the answers

    Who first described and measured nuclear magnetic resonance in molecular beams?

    <p>Isidor Isaac Rabi</p> Signup and view all the answers

    Who named the phenomenon of energy absorption peaks in Li and Cl as 'nuclear magnetic resonance'?

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

    For what did Felix Bloch and Edward Purcell share the Nobel Prize in Physics in 1952?

    <p>Advancing NMR techniques for liquids and solids</p> Signup and view all the answers

    Who is known as the 'father of the MRI' for performing the first MRI whole-body transaxial proton density weighted slice image?

    <p>Raymond Damadian</p> Signup and view all the answers

    What key achievement is attributed to Dr. Paul Lauterbur in the field of MRI?

    <p>Developing mathematical techniques for clearer MRI images</p> Signup and view all the answers

    Who developed a mathematical technique to allow MRI scans to take seconds rather than hours?

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

    What did Felix Bloch and Edward Purcell achieve with their development of new ways and methods for nuclear magnetic precision measurements?

    <p>Advanced NMR techniques for liquids and solids</p> Signup and view all the answers

    What is a common problem in permanent magnets?

    <p>Field homogeneity and limitation</p> Signup and view all the answers

    Which type of magnet requires significant cooling of the coils?

    <p>Superconducting magnets</p> Signup and view all the answers

    What is a characteristic of resistive magnets?

    <p>Need constant power supply for field homogeneity</p> Signup and view all the answers

    Which type of magnet uses wires made of a type 2 superconductor in its coil windings?

    <p>Superconducting magnets</p> Signup and view all the answers

    What is the common coolant used in superconducting magnets?

    <p>Liquid Helium</p> Signup and view all the answers

    Which type of magnet operates clinically up to 3 Tesla?

    <p>High field magnet</p> Signup and view all the answers

    What mathematical technique can be used to recover the desired image in MRI, thanks to Larmor precession?

    <p>Fourier transformation</p> Signup and view all the answers

    Who invented the two dimensional Fourier Transformation related to MRI development?

    <p>Richard Ernst</p> Signup and view all the answers

    What is a major disadvantage of using permanent magnets in MRI systems?

    <p>High cost of the magnet and supporting structures</p> Signup and view all the answers

    In what year was the first published image of a human head produced using an MRI scanner?

    <p>1978</p> Signup and view all the answers

    What milestone development in MRI scanners occurred around 1984?

    <p>Introduction of high field 1.5 Tesla systems by General Electric</p> Signup and view all the answers

    What contribution led Paul Lauterbur and Sir Peter Mansfield to win the Nobel Prize for Medicine or Physiology in 2003?

    <p>Discoveries concerning magnetic resonance imaging</p> Signup and view all the answers

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