F6vi / 24A02: (a) Describe venous admixture and the sources contributing to it in an adult (60% of marks). (b) Explain the effects of supplemental oxygen on arterial hypoxaemia (40% of marks).

F6ii / 21B10: Describe the ventilation / perfusion (V/Q) relationships in the upright lung according to West’s zones (40%). Explain the physiological mechanisms responsible for these relationships (60%).

F6iii / 14B05: Describe the effects of V/Q inequality on the partial pressure of oxygen (PaO2) and carbon dioxide (PaCO2) in arterial blood

F6iii: Explain VQ matching & mismatching

F6ii / 16A03: Compare the physiology of the apex with base of the lung in the upright position

F6ii: Describe West’s zones of the lung & explain the mechanisms responsible for them

F6i: Describe the concepts of global and regional ventilation and perfusion and the factors that affect these

F6v: Explain the concept of shunt, its physiological effects, and its measurement

F6iii / 17B06: Explain the effect of VQ mismatch on O2 transfer & CO2 elimination

F6vi: Explain venous admixture, its relationship to shunt and VQ mismatch

F6iii: Outline methods used to measure VQ mismatch

F6iv / 18A03: Dead Space