Q.1
What are possible dangers of using X-rays in medical physics?
  • Tissue damage
  • Mutations
  • Both
  • Neither
Q.2
Which of the following radiation used in medical physics is non-ionising?
  • Ultrasound
  • X-ray
  • Both
  • Neither
Q.3
Which of the following would be used to obtain an image of a person's bone structure?
  • Ultrasound
  • X-ray
  • Gamma ray
  • Beta radiation
Q.4
Which of the following is NOT an advantage of a CT scanner over an X-ray?
  • It provides a highly detailed image
  • It gives a higher dose of radiation
  • Can distinguish between bone and soft tissue
  • It gives a 3D image
Q.5
Which type of radiation is used to sterilize foods and medical equipment?
  • Alpha
  • Beta
  • Gamma
  • None of the above
Q.6
Which type of lens would be used to correct long-sightedness?
  • Diverging
  • Plano-convex
  • Concave
  • Convex
Q.7
Radioisotopes are used in medical imaging to view how the body is functioning, but how are radioisotopes selected to be used in this kind of imaging process?
  • Have a short half-life (hours)
  • Not emit alpha radiation
  • Emit gamma radiation
  • All of the above
Q.8
Which of the following radiation used in medical physics is ionizing?
  • Ultrasound
  • X-ray
  • Both
  • Neither
Q.9
What does a CT scanner usually consist of?
  • An x-ray tube which continually rotates around your body
  • An x-fluorescent tube which continually rotates around your body
  • A gamma ray tube which continually rotates around your body
  • An x-ray tube which is placed above your body
Q.10
Which type of lens would be used to correct short-sightedness?
  • Convex
  • Concave
  • Converging
  • Plano-concave
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