Back to quiz

6. Precession depends on the strength of the external magnetic field.

  • True
  • False

7. Varying the magentic field in an MRI scanner allows you to work out where the emitted radio waves are coming from.

  • True
  • False

8. What is the name of the frequency at which the protons precess?

  • Larmor Frequence
  • Lander Frequency
  • Laurence Frequency

9. After the pulses of radio waves has ceased the nuclei relax and emmit what kind of wave?

  • Light
  • Radio
  • Sound
  • X-Ray

10. Gamma Cameras are used with what?

  • Ultrasound
  • Radio waves
  • Magnetic Fields
  • Radioactive tracers
  • X-rays

11. Patients don't need to actually have the radioactive tracer inside them.

  • False
  • True