While many of the following parameters may change, which one of the following is the most definitive clinical indicator of restrictive lung disease? Increase in Total Lung Capacity Decrease in Total Lung Capacity O Increase in Tidal Volume O Decrease in Tidal Volume O Increase in FEV₁/FVC ratio O Decrease in FEV₁/FVC ratio

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What does “restrictive lung disorder” mean? What does “obstructive lung disorder” mean? Which type of respiratory disease would be associated with a lower-than-normal vital capacity? Why? Which type of respiratory disease would be associated with a lower-than-normal FEV1? Why?

E. No change in Minute Volume 10. What will happen if the rate of breathing increases without any change in minute volume (VE constant)? Choose as many as are correct. Vital Capacity will decrease Vital Capacity will increase Minute Volume will decrease А. В. С. D. Minute Volume will increase Е. Tidal Volume must decrease F. No Change in tidal Volume