Food
What lung divisions do primary, secondary, and tertiary bronchi supply, respectively?
Primary -> Lung (R/L)
Secondary -> Lobe
Tertiary -> Bronchopulmonary segment
What are the names of the scroll like elevations in the nasal cavity?
Inferior, middle, and superior (supreme) conchae
This structure is a dome shaped parietal pleura recess 1 inch above the clavicle
Cupula
What is the name of the bifurcation of the trachea? What vertebral level is it found?
Carina
T4/5
Laryngeal cartilage and muscles develops from which pharyngeal arches?
4 and 6
What structure divides the upper and lower respiratory tract?
The vocal folds
What lies posterior to the trachea in the neck?
Esophagus
Lingula of L lung
What is the name of the slight groove above the agger nasi that leads to the olfactory area on the roof of the nasal cavity?
Olfactory sulcus
What week do the lung buds (respiratory diverticulum) appear?
Week 4
What are the definitions of the following med term suffixs
-stenosis
-ectasis
-pexy
-stenosis = constriction
-ectasis = dilation, expansion
-pexy = surgical fixation
What are the 4 paranasal sinuses
The bronchi, pulmo aa + vv, nerves, and lymphatics pass through which structure?
Hilus (will accept root of the lung)
What are the orientations of the R/L bronchi?
R: more vertical, shorter, wider
L: more horizontal, longer, thinner
Lack of the normal passage in the esophagus is called what?
Esophageal atresia
What structure is an unpaired midline cartilage that divides the nasal cavity into 2 halves?
Septal cartilage
The ____ plexus supplies blood to the nose
Kieselbach's
Where are the 3 major apertures in the diaphragm and what structures pass through them?
T8 = IVC, terminal branches of R phrenic n
T10 = esophagus, R+L vagus n
T12 = descending aorta, thoracic duct, azygos v
What 4 bones make up the roof of the nasal cavity?
Nasal, frontal, cribriform of ethmoid, sphenoid
What forms the epithelial lining of the respiratory tract?
What forms the cartilage, muscle and CT of the lungs?
(Think gastrulation layers)
Endoderm of gut tube
Visceral mesoderm
What structure lies between the anterior end of the middle concha and dorsum of nose?
Agger Nasi
What space is described as a horizontal reflection of parietal pleura which provides space for expansion of the lungs?
Vertical?
Horizontal = Costodiaphragmatic recess
Vertical = Costomediastinal recess
What are the 3 muscular portions of the diaphragm?
Sternal, costal, lumbar
What structure are the hypertrophied pharyngeal tonsils?
Adenoids
What phase of lunge development do type 2 pneumocytes begin to produce surfactant?
What phase is there suffecient amounts of surfactant?
Saccular
Terminal sac/alveolar