Lung Structure and Function Quiz Flashcards
1
Q
How much of the cardiac output flows through the pulmonary circulation in a person with normal heart and lung anatomy and physiology?
A
100%
2
Q
Which has a larger surface area?
- skin
- gut
- kidney
- lung
A
lung
3
Q
What is the thickness of the alveolar wall?
A
0.2-0.3 um
4
Q
What protects the alveoli from the dust in the air?
A
- muco-ciliary escalator
- branching airways
- alveolar macrophage
5
Q
Why is the pulmonary artery shown as blue in the last slide?
A
deoxygenated blood is set to the lung in the pulmonary artery