List of top MPT Questions on The respiratory system

Arrange the following in the correct sequence of branching in conducting zone and respiratory zone of respiratory passage.
(A) Alveolar sacs
(B) Bronchi
(C) Bronchioles
(D) Trachea
(E) Alveolar ducts

Which of the following is a non-modifiable risk factor for the development of COPD?

Which of the following interventions facilitates the removal of airway secretions collected centrally?