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1. What are normal lung weights?
2. What are the lungs weights for this patient?
3. Are the patient’s lung weights normal?
4. In general, why might lungs weigh so much?
5. Why, in this case, do the lungs weigh so much?
6. There is a lot of fluid on the cutting board. Why is that? Where did it come from?
7. Thinking of lung anatomy, what specific space did the fluid come out of (for example, the alveolar spaces, capillaries in the alveolar septae, large airway, etc.)? (In other words, where was all that fluid held before it leaked out during the dissection?)
8. Review the physiology of pleural fluid formation (pleural effusion). Summarize it for transudative effusions.
9. The physician mentions he’s surprised there wasn’t much pleural fluid? Why is he surprised?
10. When would congestion be associated pleural fluid? Why might it not be?
11. What’s the difference between “chronic” changes, “acute” changes and “terminal” changes in the body?
12. Do you think the increased weight of the lungs was part of a chronic, acute or terminal process? Why?
13. What might the mechanism of increased lung weight have been in this case?
14. Do you think you would see pulmonary edema in this case, if you were to look under the microscope?
15. Can you see pulmonary congestion without pulmonary edema?
16. What’s another example of a terminal physiologic change?