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Course: HUBIO 541, Fall 2008School: Washington
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541- HuBio The Respiratory System 1. E 2. C 3. E 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. 19. 20. 21. 22. 23. 24. 25. 26. 27. 28. 29. 30. C D C D C E B A A A A B A A B A A A B B A B B B A A A QUIZ ANSWERS November 16, 2005 and yes you will lose 2 pts if not E, or E is not in fact true in your case) Ppl must reach a large neg ; Palv-Ppl must be positive (~20-30) at high lung volume. Palv varies from...
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541- HuBio The Respiratory System 1. E 2. C 3. E 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. 19. 20. 21. 22. 23. 24. 25. 26. 27. 28. 29. 30. C D C D C E B A A A A B A A B A A A B B A B B B A A A
QUIZ ANSWERS November 16, 2005
and yes you will lose 2 pts if not E, or E is not in fact true in your case) Ppl must reach a large neg ; Palv-Ppl must be positive (~20-30) at high lung volume. Palv varies from 0 to drive inspiratory and expiratory flow flow is independent of further effort in this range. Need to match perfusion to ventilation. . 3x760=2280; -47 = 2233; x.21 = 469; -40/0.8 = 419 Hypoxia has little effect (prob negative effect) on central chemoreceptors. This would create a R-L shunt equivalent (deoxygenated blood to left heart) With hypoventilation (increasing PCO2) the reaction is going the other direction. . Trachea is filled with gas which has been equilibrated in alveoli. No, some oxygen has been extracted into the blood. This gas has been warmed and humidified (but may be slight cooling). Not above the minor fissure. RLL extends quite high posteriorly. Either posterior or anterior, parietal or visceral pleural nodule is possible.. to improve oxygen delivery, compensating for the decreased content. partial pressure is still equilibrated to (normal) alveolar gas. potential O2 saturation sites are filled by CO instead. this is the key abnormality 150 - 64/0.8 = 150 - 80 = 70; 70 - 40 = 30 correcting pH to 7.4 will lower bicarbonate by 1 to 31; 31 - 24 = 7 respiratory acidosis and metabolic alkalosis are present. compensated appropriately respiratory acidosis. Vessels are dilated by radial traction (interdependence). Capillaries tend to be stretched and flattened, also compressed as vascular pressures, influenced by pleural pressure, fall relative to alveolar pressure.
Decreasing ventilation relative to perfusion (low V/Q) will increase the amount of oxygen extracted from incoming fresh air, decreasing the alveolar PO2 . (The PCO2 will rise a few mmHg, but is limited by the level in the incoming blood, about 46-47 mmHg). The exiting blood will be equilibrated to this lower PAO2 and its decreased content will contribute to widening the (A-a)O2 after downstream mixing. Decreasing perfusion relative to ventilation (high V/Q) will decrease the amount of oxygen extracted from incoming fresh air, increasing the alveolar PO2 toward that of inspired air. The amount of CO2 delivered to these alveoli will decrease so the local alveolar P...
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Washington - HUBIO - 541
HuBio 541- The Respiratory SystemNovember 14, 2007QUIZ ANSWERS1. E and yes you will lose 2 pts if not E, or E is not proven true in your case 2. B Pin Pout = lung recoil. 10 0 = 10 so Ppl (Pout) is 0 3. A surface tension is absent so greater v
Washington - HUBIO - 541
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