NURS140 Lecture Notes - Lecture 10: Respiratory Tract, Nasal Cavity, Ethmoid Bone
23 Nov 2017
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Q: the respiratory tract is organized in 2 ways: A: conduction (of air to and from the lungs) and respiration (gas exchange) Q: basic structures that make up the upper respiratory tract (2) A: structures that we can see with our eyes in respiratory structures. A: those that are microscopic, found after the bronchioles. Q: after bronchus is it the ______, then after the terminal _______ and then respiratory ______ Q: function of upper respiratory tract: nose and nasal cavity: (2) A: warm, humidify and filter air, and mucus production to defend pathogens/noxious agents. Q: name the structures in the external nose: (4) A: nares (nostrils), nasal septum, hairs, cartilaginous framework. A: nasal cavity, internal nares, 3 shelves along lateral walls. Q: which bones inside the skull we cannot see form the outside: (2) A: nasal, frontal, 2 maxillae, ethmoid and sphenoid. A: lateral wall of nasal cavity (superior, middle, inferior)
