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Tidal volume Amt of air in a single inspiration or expiration
Functional residual Capacity Vol. of air that remains in the lungs @ the end of normal respiration
Vital capacity Max. amount of air expelled from lungs after max. inhalation
Residual volume Amount of air remaining in the lungs after max. expiration
Total Lung Capacity Max. volume of air in lungs after max. inspiration
Forced Expiratory Volume Volume that has been exhaled @ the end of the 1st second of forced expiration
Forced vital capacity Vol change of lungs between a full inspiration and a max. inspiration
FEV1/FVC ratio Proportion of a person's vital capacity that they are able to expire in 1st second of forced expiration
Boyle's Law Pressure is inversely proportional to the volume
Pouiseuille's Law States that the flow (Q) of fluid is related to a number of factors: the viscosity (n) of the fluid, the pressure gradient across the tubing (P), and the length (L) and diameter(r) of the tubing.
Law of Laplace P=2T/r
Dalton's Law Total pressure = sum of partial pressures
Henry's Law Solubility of a gas depends on partial pressure of gas in air & solubility coefficient of air in liquid
Fick's Law Amount of gas diffusing in unit time through the resistance of a barrier is inversely proportional to the thickness of barrier and is directly proportional to the thickness of the SA, diffusion constant and partial pressure diff.
Graham's Law The rate of diffusion is directly proportional to the solubility coefficient of the gas & inversely proportional to the square root of its molecular weight
Minute ventilation Vol. of gas inhaled or exhaled in a min
VO2 max Maximum amount of O2 that an individual can utilize during peak exercise
Pulmonary ventilation Vol. of air that moves in/out of lungs per minute
Alveolar ventilation Exchange of gas between alveoli and external environment
Dead space Space occupied by conducting airways (trachea, bronchi, bronchioles)
Diffusion capacity Used to see how well lungs are able to extract O2 from inhaled air
Created by: lijingsaw
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