Chapter 4 (Viscera of Thoracic Cavity: Right and Left Pulmonary Cavity - Pt II) Flashcards
A tracheobronchial tree is a …
system of airways that allow passage of air into lungs where gas exchange occurs.
(Tracheobronchial Tree)
Formed by the _____ (within the superior mediastinum) forming the ____ ____ ____ ____.
trachea; trunk of the tree
(Tracheobronchial Tree)
The trachea will bifurcate at the sternal angle into the ____ ____ which enter each lung at the hila.
main bronchi
(Tracheobronchial Tree)
The left and right main bronchus will divide into ____ ____ ____, which will divide further into ____ _____ ___.
secondary lobar bronchi (2 on left, 3 on right); tertiary segimental bronchi
(Tracheobronchial Tree)
Beyond the segmental bronchi are branching ____ ____ that will end as ____ ____.
conducting bronchioles; terminal bronchioles
(Tracheobronchial Tree)
The terminal bronchioles will give rise to several generations of ___ ___ which will contain _____.
respiratory bronchioles; alveoli (alveolar ducts and sacs)
(Neurovascular supply of Lungs)
Lungs are supplied with deoxygenated blood by the right and left _____ ____.
pulmonary arteries.
(Neurovascular supply of Lungs)
Once the blood receives oxygenation, it leaves the lungs via the ____ ____.
pulmonary (superior and inferior) veins
(Neurovascular supply of Lungs)
The ____ ____ help supply the bronchi, lungs roots, visceral pleura and supporting lung tissues.
bronchial arteries
(Neurovascular supply of Lungs)
The bronchial veins provide venous drainage into the ___ ____ and ___ ___.
azygos veins (right bronchial vein) and hemiazygoes vein (left bronchial vein)
(Neurovascular supply of Lungs)
The lungs are innervated by the ____ ____.
pulmonary plexues
(Aspiration)
Because the right main bronchus is wider and shorter, running more vertically than the left main bronchus, _____ ____ ____ is more likely to enter and lodge in it or one of its branches.
aspirated foreign bodies/food
(Aspiration)
Aspiration of foreign objects may increase risk of developing ____ ____.
Aspiration pneumonia.
(Aspiration)
Pneumonia develops after…
bacteria from food, drink, saliva, or vomit is inhaled into the lungs.
(Aspiration)
Too much liquid in the lungs may also result in a _____ ____, which may place…
pulmonary edema, which may place additional strain on the lungs.
