Test
Physio two
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Preguntas del test (6)
1The Pressure that is responsible for distending the lungs is Alveolar Pressure
- AVerdadero
- BFalso
2Elastic recoil forces of chest wall pulling out and lungs pulling in are opposed by the surface tension of the water in the intraplural space, which is called the pleural pressure
- AVerdadero
- BFalso
3A 19 yr old male arrives at the ED with a knife wound to the chest. All of the following are true except
- AAlveolar pressure = 0
- BPleural pressure < 0
- CLung volume is decreased
4Lung compliance
- ATells you how easy it will be to inflate the lung
- BStatic compliance is measured with NO air flow
- CDynamic compliance is measured DURING air flow
- DSpecific compliance = Compliance/FRC
- EElastance = deltaP/delta V
- FAll of the above are correct
- GNone of the above are correct
5High compliance
- AEasier to inflate
- BHarder to deflate
- Cemphysema has increase compliance of the lung
- DFibrosis of lung causes increase in Elastance
- EAll are correct
6Static Compliance Graph (P-V) of respiratory system
- AThis graph is depicting the relationship between transmural pressure and lung volume. The trasmural pressure is the result of opposing recoil of the chest wall (green line) and lung (red line), thus trasmural pressure is the black line
- BAt TLC transmural pressure is very high (-30cmH2O)
- CAt 70% TLC the transmural pressure is = lung's recoil pressure
- DAt FRC lung's recoil pressure = recoil pressure of chest wall so transmural pressure = 0
- EAt RV Transmural is positive and lungs are non compliant
Información
- Descripción
- questions
- Autor
- ivenkat
- Idioma
- English
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- 71
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