dental nursing

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1. which one of the following is true with regards to the correct storage of x-ray films stock?

  • old and new stockk must be not stored together
  • old stock must be used first
  • films do not have an expiry date like chemical
  • fast films must be kept in their original package
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2. which one describes the correct angulation of the film that is necessary to be produced during the exposure of an intra-oral film packet using a film-holder?

  • white area along the root
  • rounded black area at the apex
  • black area along the root
  • which-rimmed black area at the apex

3. which one of the following groups of documents does not have to be stored in the radiation protection file?

  • quality assurance programmes
  • formal appointments
  • radiation qualification certificates
  • local rules

4. which one states that the light-sensitive chemicals that are used to coat the celluloid film within an intra-oral x-ray film packet?

  • mercury
  • sliver bromide salts
  • rare earth chemicals
  • lead

5. a DPT is one example of an extra-oral radiograph view. what is used to ensure x-ray exposure is kept to a minimum when taking DPT?

  • light-tight cassette case
  • intensifying screens
  • larger films
  • fast films
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