Which structure(s) of the respiratory system contain(s) C-rings or plates of hyaline cartilage, to prevent airway collapse?

A) The trachea and bronchi
B) The trachea, bronchi, and all of the bronchioles
C) The bronchi only
D) The nasal cavity
E) The trachea only

The trachea and bronchi contain C-rings or plates of hyaline cartilage to prevent airway collapse. The bronchioles do not have this structure, as they are too small and their walls are made of smooth muscle instead. The nasal cavity also does not have C-rings or plates of hyaline cartilage, as it is not a part of the lower respiratory system.