Dust Deposition in the Lungs Quiz
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Questions and Answers

What determines the location and extent of dust deposition in the lungs?

  • The weight of dust particles
  • The shape of dust particles
  • The color of dust particles
  • The size of dust particles (correct)

    • What happens to relatively large particles in the respiratory system?

  • They will be exhaled immediately
  • They will be absorbed by the lungs
  • They will remain in the lower respiratory tract
  • They will usually be carried back to the mouth by ciliary action (correct)

    • What happens to ultra-fine particles in the respiratory system?

  • They are carried back to the mouth by ciliary action
  • They are absorbed by the upper respiratory tract
  • They can penetrate deep into the lungs (correct)
  • They are immediately exhaled

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