Practice Quiz

PTA Physical Therapy Assistant

Category - Data Collection

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Which of the following structures can be responsible for rapid spread of lung infection?
  1. Respiratory bronchiole
  2. Pores of Kohn
  3. Lambart canals
  4. Both B and C
  5. All the above
Explanation
Answer: D - Both B and C (the Pores of Kohn and Lambart Canals) can be responsible for the rapid spread of lung infection.

Alveolar walls communicate through the pores of Kohn and the Lambart Canals act as a communication channel between the bronchioles and alveoli. These communications provide collateral ventilation to the alveoli. So they are responsible for the rapid spread of infection within the lung.

Respiratory bronchioles are the branches from the 17th to 19th generation.
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