Suggested Level of Knowlege: Detailed


LOs

BT_PO 1.6 Discuss the structure of the chest wall and diaphragm and the implications for respiratory mechanics


BT_PO 1.10 Describe the properties of surfactant and relate these to its role in influencing respiratory mechanics


BT_PO 1.11 Define compliance (static, dynamic and specific) and relate this to the elastic properties of the lung


BT_PO 1.12 Discuss `fast' and `slow' alveoli, including the concept of `time constants'


BT_PO 1.13 Describe the elastic properties of the chest wall and plot pressure-volume relationships of the lung, chest wall and the total respiratory system


BT_PO 1.15 Explain the physics of gas flow and the significance of the relationship between resistance and flow in the respiratory tract


BT_PO 1.16 Describe the factors affecting airway resistance and how airway resistance may be measured


BT_PO 1.17 Describe closing capacity and its relationship to airway closure and explain its clinical significance and measurement


BT_PO 1.18 Describe the work of breathing


BT_PO 1.19 Describe altered lung mechanics in common disease states




Past SAQs

2011.1, 2006.2 Describe the determinants of work of breathing in an adult human at rest.


2011.1, 2006.2 Explain  the  difference  between  viscosity  and  density.  Outline  the  effects  of  changes  in  viscosity and density on the flow of gases and liquids.


2010.2 Describe the factors that affect respiratory system compliance.


2010.2 Describe the function of the muscles involved in ventilation.


2010.1 Describe the factors that affect static respiratory system compliance.


2008.2 Explain the concept of time constants and relate these to "fast" and "slow" alveoli.


2003.2, 1999.2 Describe the factors that affect airways resistance.


2003.1 Describe the factors that affect lung compliance.


2001.2 Describe the determinants of work of breathing in an adult human at rest.


2000.1 Describe the important determinants of work of breathing in an adult human at rest. Explain how to minimise work of breathing.



References

West Cap. 7

Mechanics of Breathing