C5.i · Pulmonary Circulation Regulation

Describe the anatomical (20% marks) and physiological (80% marks) features of the pulmonary circulation.

Describe the anatomical (20% marks) and physiological (80% marks) features of the pulmonary circulation.

Describe the gravity dependent processes which affect pulmonary blood flow (70% of marks). Describe the changes that result from an acute increase in pressure in the pulmonary vessels (30% of marks).

Describe how Starling forces determine fluid flux within the pulmonary capillary bed.

a) Describe the physiological factors that contribute to pulmonary vasoconstricton. Include the mechanisms involved in your answer (60% of marks). b) For each of the inhaled pulmonary vasodilators, nitric oxide and prostacyclin: i) describe the mechanism(s) of action (25% of marks) ii) outline the adverse effects (15% of marks).