1) The definition of intensity is ...... a) Energy per cross sectional area b) Power per cross sectional area c) Frequency received per cross sectional area d) A large crazy urban area 2) X-rays are generated by ...... a) A high energy photon striking a cathode b) A high energy electron striking a cathode c) A high energy photon striking an anode d) A high energy electron striking an anode e) magic 3) The Compton effect was when ..... a) Compton observed scattered x-rays as having a lower wavelength than incdent rays b) Compton observed scattered x-rays as having a higher wavelength than incident rays c) Compton observed a positron and an electron emitted from incident x-rays d) carrot jam 4) Which of the following does not use ionising radiation a) PET b) CAT c) MRI d) CT e) X-ray f) Angiogram 5) What is the half-life of technecium 99m? a) 24 hours b) 3 hours c) 12 hours d) 6 hours e) 8 hours f) 2 hours 6) What type of scan has this image most likely come from? a) PET b) MRI c) CAT d) my phone camera 7) What type of scan has this image most likely come from? a) PET b) MRI c) CAT 8) This ultrasound scan forms an image a) A scan b) B scan 9) Ultrasound travels faster than normal sound a) True b) False 10) The transducer would receive sound at a higher wavelength if the blood is travelling towards it a) True b) False

Medical physics quiz

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