Questions and Answers
What is the primary method of preparing radiopharmaceuticals?
Simple mixing or shaking at room temperature
What type of equipment is used to transfer components between sterile vials?
Shielded syringes
What is the primary purpose of a laminar down-flow cabinet or glove box in radiopharmaceutical preparation?
To provide a sterile environment
What is a characteristic of the surfaces in a radiopharmaceutical preparation workstation?
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Why are automated synthesis devices commonly used in PET radiopharmaceutical preparation?
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What is the purpose of an air lock and changing room in a radiopharmaceutical preparation workstation?
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What type of control is used in automated synthesis devices for PET radiopharmaceutical preparation?
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What is the primary function of a radionuclide in medical imaging?
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What is the energy of the gamma rays emitted by 99mTc?
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What is the purpose of doping NaI crystals with thallium atoms?
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What is the result of photoelectric or Compton scattering interactions between incident photons and the scintillator's material?
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What is the purpose of a multi-hole collimator in a gamma camera?
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What happens to the electrons that are in an excited state?
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What is the function of a scintillation crystal in a gamma camera?
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What is the term for the device that detects gamma rays and produces an image?
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What is a critical factor influencing the scintillation process?
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What is the purpose of the photomultiplier tube array in a gamma camera?
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What is the advantage of using thick crystals?
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What is the term for the type of gamma camera that is described in the text?
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What is a drawback of using thick crystals?
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What is the effect of the energetic electron on the scintillator's material?
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What is the typical range of thickness for parallel hole collimators manufactured for traditional gamma cameras?
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What is the primary advantage of parallel hole collimators compared to pinhole collimators?
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Why do parallel hole collimators impose limitations on the field of view (FOV) of gamma imaging systems?
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What is the key factor in determining the septal thickness of parallel hole collimators?
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What is the shape of the structure of the parallel bore arrays?
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At what angle do incident gamma photons pass through the parallel hole collimator?
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Why does the spatial resolution of the gamma camera degrade with larger dimensions of the collimator's holes?
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What is the typical pinhole diameter required for small animal gamma imaging systems?
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What is the primary consideration for selecting a collimator type for small animal gamma imaging systems?
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What is a characteristic of a low-energy collimator?
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What is the trade-off for using a high-resolution collimator?
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What is a characteristic of a general-purpose collimator?
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What is the purpose of using a high-sensitivity collimator?
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What is the relationship between the number of holes and the resolution of a collimator?
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What is the primary factor in determining the spatial resolution of a small animal gamma imaging system?
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What is the advantage of using a high-resolution collimator?
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What is a characteristic of a high-resolution collimator?
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