physio lecture 2.txt

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Author:
kepling
ID:
71472
Filename:
physio lecture 2.txt
Updated:
2011-03-08 18:30:46
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physio lecture
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physio lecture 2
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  1. What three factors increase VC?
    • Gender (M>F)
    • Size (Height)
    • Physical tone
  2. What factor decreases VC?
    Age
  3. What formula can be used to find the resting volume of the lungs?
    • Functional Residual capacity (FRC)
    • ERV + RV
  4. What is the normal RV/TLC value?
    .25 (25% of TLC)
  5. What happens to RV/TLC during Obstructive lung disease?
    RV increases
  6. What happens to RV/TLC during restrictive lung disease?
    TLC decreases
  7. What is the normal FEV1/FVC?
    0.8
  8. What is the relationship between alveolar ventilation and PACO2?
    • VA increases, PACO2 decreases
    • VA decreases, PACO2 increase
  9. If CO2 production doubles, what happens to alveolar CO2?
    alveolar CO2 doubles as well

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