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What MR system componet is required to magnetize the proton spins?
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What type of magnet is generally associated with high magnetic fields?
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What type of magnet allows the magnetic field to be "turned off" when not in use?
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Chara associated with the permanent magnet include that this type of system:
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What's the MR system component that is used for spatial localization?
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Shimming can be achieved either actively or passively, whereby:
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A Radiofrequency system is used to:
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What MR system component creates the B0 field?
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What MR system component creates the B1 field?
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What MR system component is used to excite the proton spins?
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Depending on the imaging parameters for MR imaging, _____ is Dark on T1 and _____on T2 weighted images
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What's the most commonl used Nuclei in MRI?
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What's the MR system component whose safet consideration is heating of tissues?
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Which component is concerned with acoustic noise?
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One and 1/2 Tesla is equal to _____ Gauss
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In an atom, the mass number is:
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Examples of MR active nuclei include: 1H, 31P, 26Fe?
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H atom is used in MR b/c?
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Cryogens, assoc w/ high field superconducting MR imaging, are used to?
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Resistive electromagnets used in MRI:
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The MRI magnet located in the scan room contains many coils. From the inner aspect of the bore to the outside they are:
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The equipment room in MR suites contain:
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Biological effects associated with the static magnetic field, include:
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Radio-Frequency energy that is used in MR today is:
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Gradient systems include 3 sets of gradients known as "Z", "Y", and "X".
Z runs:
Y runs:
X runs:
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Contraindications for MR inaging include:
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What MR system component is safety from projectiles?
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What MR system component is used to maintain the homogeneity of B0?
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