Non- respiratory function of the lung is_________________?
Correct answer: C. Serotonin metabolism
- A. Dopamine metabolism
- B. Adrenaline metabolism
- C. Serotonin metabolism
- D. PGE2 production
Explanation
Pulmonary endothelial cells metabolise circulating serotonin, making serotonin clearance a recognised non-respiratory function of the lungs. The lungs also handle several vasoactive substances, but serotonin is the standard option here.
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