Which gas law is applicable when considering Raw?
a. Boyle's c. Poiseuille's
b. Charles' d. Avogadro's
ANS: C
Poiseuille's law states that a twofold decrease in airway diameter results in a 16-fold increase in Raw. Boyle's law and Charles' law address the relationships among pressure, volume, and tem-perature. Avogadro's law is concerned with the number of molecules in a volume of gas.
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