Which of the following is an example of ciliary movement?

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AIIMS BSc NURSING 2023 Memory-Based Paper
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  1. Movement of food in
  2. Cytoskeletal movement
  3. Removal of dust particle from trachea
  4. None of them

Answer (Detailed Solution Below)

Option 3 : Removal of dust particle from trachea
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AIIMS BSc NURSING 2024 Memory-Based Paper
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The correct answer is Removal of dust particle from trachea

Explanation: 

  • Ciliary movement is characterized by the coordinated, wave-like motions of cilia, which are hair-like structures on the surface of certain cells.
  • In the respiratory tract, ciliary movement helps to remove dust and other particles from the trachea by moving mucus up towards the throat where it can be swallowed or expelled. This is an important mechanism for keeping the airways clear.
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