Define the term ventilation perfusion ratio (Va/Q) and give values for the whole lung, the base and the apex of the lung in a normal subject in the upright position, explaining why these differ. Illustrate, by means of diagrams, how the perfusion of the lung may be considered as a 'three zone model'.
Level
This learning outcome is a primary level outcome.
Sessions
This learning outcome is taught in the following sessions:
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Carriage of Oxygen (Year GEP 1)
- Lecture: Pulmonary Circulation