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What is the purpose of shimming in the context of superconducting magnets?
What is the purpose of shimming in the context of superconducting magnets?
- To decrease the strength of the magnetic field
- To increase the homogeneity of the magnetic field (correct)
- To introduce irregularities in the magnetic field
- To disrupt the functioning of the RF coils
Which type of coils are essential components for MRI systems to obtain clear images?
Which type of coils are essential components for MRI systems to obtain clear images?
- Superconducting Coils
- Steel Coils
- RF Coils (correct)
- Passive Coils
How is active shimming different from passive shimming?
How is active shimming different from passive shimming?
- Active shimming uses additional magnetic fields, while passive shimming does not
- Active shimming requires electric current adjustment, while passive shimming does not (correct)
- Active shimming aims to decrease magnetic field homogeneity, while passive shimming increases it
- Active shimming does not use coils, while passive shimming relies on coils
What is the primary function of RF coils in MRI scanners?
What is the primary function of RF coils in MRI scanners?
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Which type of coils are necessary for adjusting the static magnetic field homogeneity?
Which type of coils are necessary for adjusting the static magnetic field homogeneity?
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What is the main role of RF coils in an MRI system?
What is the main role of RF coils in an MRI system?
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What is the purpose of shimming in MRI?
What is the purpose of shimming in MRI?
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Which statement best describes passive shimming?
Which statement best describes passive shimming?
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What is active shimming in MRI characterized by?
What is active shimming in MRI characterized by?
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Why is it necessary to shim an MRI magnet?
Why is it necessary to shim an MRI magnet?
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Which method involves pieces of steel with good magnetic qualities in shimming?
Which method involves pieces of steel with good magnetic qualities in shimming?
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What does shimming involve in terms of adjusting the magnetic field homogeneity?
What does shimming involve in terms of adjusting the magnetic field homogeneity?
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