Podcast
Questions and Answers
What is the main function of the patient table in an MRI machine?
What is the main function of the patient table in an MRI machine?
- Generates the magnetic field
- Slides the patient into the MRI machine (correct)
- Detects RF signals emitted by the patient
- Feeds information into the computer system
What is the role of the computer system in an MRI machine?
What is the role of the computer system in an MRI machine?
- Slides the patient into the MRI machine
- Generates the static magnetic field
- Detects RF signals emitted by the patient (correct)
- Feeds information into the coils
What characteristic best describes static magnetic fields in MRI machines?
What characteristic best describes static magnetic fields in MRI machines?
- They have a high frequency
- Their direction remains constant over time (correct)
- Their intensity changes over time
- They are generated by natural sources only
What is the frequency of static magnetic fields used in MRI machines?
What is the frequency of static magnetic fields used in MRI machines?
Why should pregnant patients not be exposed to static magnetic fields exceeding $2.5$ T?
Why should pregnant patients not be exposed to static magnetic fields exceeding $2.5$ T?
What is the recommended limit for static magnetic field exposure for whole-body scanning?
What is the recommended limit for static magnetic field exposure for whole-body scanning?
What precaution should patients with implants take when near an MRI area?
What precaution should patients with implants take when near an MRI area?
What statement correctly describes the generation of the main magnet field in an MRI machine?
What statement correctly describes the generation of the main magnet field in an MRI machine?
Which factor determines the size of the magnetic field needed for MRI imaging?
Which factor determines the size of the magnetic field needed for MRI imaging?
Why are Earth's magnetic fields mentioned in relation to MRI magnet strength?
Why are Earth's magnetic fields mentioned in relation to MRI magnet strength?
