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LRCIUJET.IIICIOUILLE 18. Rank the following branches of the bronchial tree in the order a molecule of oxygen would encounter

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18. b.left main bronchus -------a. left lobar brochus ------c.left segmental bronchus.

19.True.

20.A decrease in thoracic volume leads to an increase in intrapulmonary pressure.

21.A decrease in intrapulmonary pressure allows air to flow into the lung.

22.False. (the optimal position for auscultation of bronchial sounds is over the scapula ).

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