Which anatomical structures does the “conducting zone” of the lower respira- tory tract contain? A. Eustachian tube, larynx and trachea. B. Primary, secondary and tertiary bronchi and bronchioles. C. Nares, conchae, olfactory mucosa and sinuses. D. Nasopharynx and larynx
Option B. “Conducting zone” of the lower respira- tory tract contain primary, secondary and tertiary bronchi and bronchioles.
