Suggested Level of Knowlege: Detailed

LOs

BT_PO 1.20 Discuss lung volumes and capacities, their measurement and normal values

BT_PO 1.21 Discuss dead space, its measurement and apply the Bohr equation and alveolar gas equation

BT_PO 1.30 Outline methods used to measure ventilation-perfusion inequalities

Past SAQs

2017.1 Draw an expiratory flow volume curve obtained from a maximal expiratory effort after a vital capacity breath, for a person with :

a. normal lungs

b. restrictive lung disease

c. obstructive lung disease

(10 marks)

Explain how and why these curves (and the derived parameters) are different in each disease state (15 marks)

2011.2 Describe the changes in respiratory function tests that occur with long term increases in small airways resistance.

Tests of Pulmonary Function