Define pulmonary lobule
A) A pulmonary lobule is the largest subdivisions of the lung supplied by a main or primary bronchus.
B) A pulmonary lobule is a large subdivision of the lung supplied by a lobar or secondary bronchus.
C) A pulmonary lobule is a medium-sized subdivision of the lungs supplied by a segmental bronchus.
D) A pulmonary lobule is a region of the lung that does not participate in gas exchange but contains conducting passageways only.
E) A pulmonary lobule is the smallest subdivision of the lungs; branches of the pulmonary arteries, pulmonary veins, and a terminal bronchiole supply each lobule.
Answer: E
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