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mekutataki mekutataki
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11 years ago
OK guys, I have this exercise and am having issues with it. I would greatly appreciate some help so I can take my 3 year old out to play instead of watching Mommy toil away on the computer! Thanks in advance:

1. What activity are you stimulating when you click the ERV button?
    What additional muscles are used in this activity?
2. What was the MRV calculated in Activity 1?
3. What does the pump rate simulate?
4. How did changing the radius effect FEV1 (%)?
5. What was the FEV1 at a radius of 5.00 mm?
6. Do the results suggest that there is an obstructive or restrictive problem?
    Explain.
7. What effect does the addition of surfacant have on the airflow?
8. Why does surfacant affect airflow?
9. Why do premature infants have difficulty breathing?
10. What effect does opening the valve have on the left lung? Why does this happen?
11. What condition does opening the valve simulate?
12. What is the value of the pressure in the left lung when the valve is opened?
13. What happened to the total flow when the valve was opened?
14. In the last part of this activity, when the reset button was clicked, what procedure would be used with real lungs?
15. What was the value of PCO2 with rapid breathing?
      How does this compare to the value of normal breathing? Explain any differences.
16. What was the value of the PCO2 when rebreathing?
      Explain any difference.
17. What happend to the rate of respirations with rebreathing?
     Why do you think this happened?
18. What was the value of the PCO2 when breath holding?
      Explain any difference.
19. Was there a change in the rate of respirations when the breathing was resumed?
20. What was the value obtained for the (FEV1/FVC) X 100% with "normal breathing"?
21. What effect did "emphysema breathing" have on FVC and FEV1?
22. In "emphysema breathing" which of the two values, FVC and FEV1 changed the most?
23. What effect did "acute asthema attack breathing" have on FVC and FEV1?
24. In "accute asthema attack breathing" which of the two valves, FVC and FEV1 changed the most?
25. Describe the effect that the inhaler medication had on the FVC and FEV1.
26. Di the values return to "normal"? Eplain.
27. DUring "moderate exercise breathing", which volumes changed the most?
28. DUring "heavy exercise breathing", which volumes changed the most?
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11 years ago
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