10 Questions
What is the main function of the patient table in an MRI machine?
Slides the patient into the MRI machine
What is the role of the computer system in an MRI machine?
Detects RF signals emitted by the patient
What characteristic best describes static magnetic fields in MRI machines?
Their direction remains constant over time
What is the frequency of static magnetic fields used in MRI machines?
$0$ Hz
Why should pregnant patients not be exposed to static magnetic fields exceeding $2.5$ T?
To avoid any potential harm to the fetus
What is the recommended limit for static magnetic field exposure for whole-body scanning?
$< 2$ T
What precaution should patients with implants take when near an MRI area?
Avoid exposure to static magnetic fields below $0.5$ mT
What statement correctly describes the generation of the main magnet field in an MRI machine?
A large electric charge spinning on a helium-cooled superconducting coil generates it
Which factor determines the size of the magnetic field needed for MRI imaging?
The uniformity and size required for accommodating an adult human being
Why are Earth's magnetic fields mentioned in relation to MRI magnet strength?
They are used as a reference point for measuring MRI magnet strength
Test your knowledge on MRI devices by answering questions related to the advantages, limitations, functioning, and scanning process of MRI machines. Explore the hardware components and magnets used in Magnetic Resonance Imaging (MRI) technology.
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