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6. what does rotating a patient while recieving radio therapy do?

  • gives off radiation
  • decays
  • minimises exposure
  • kills the cancer

7. when the wires are covered in two layers of insulated material

  • fusing
  • residual current device
  • double insulation
  • earthing

8. frequency and type of wave for ultrasound

  • high and longitudinal
  • low and transverse
  • high and transverse
  • low and longitudinal

9. when a nuclei decays it...

  • loses electrons
  • emits one or more types of radiation
  • blow up
  • break down

10. what type of particle can move?

  • electron
  • proton
  • neutron

11. gamma decay is what?

  • helium nuclei
  • electromagnetic radiation
  • fast movig electrons
  • rays

12. voltage = ?

  • resistance divided by current
  • resistance + current
  • resistance x current
  • current - power

13. therefore resistance = ?

  • power x current
  • current x voltage
  • voltage divided by current
  • power x voltage

14. radiotherapy uses what type of radiation?

  • beta
  • gamma
  • alpha
  • ray

15. beta decay is what?

  • fast moving electrons
  • helium nuclei
  • radiation
  • rays