Unformatted text preview: at the end of passive expiration. b. Alveolar pressure exceeds atmospheric pressure during expiration; during inspiration atmospheric pressure exceed alveolar pressure. c. A decrease in intrapleural pressure aides in inspiration. d. According to Boyle’s law, an increase in volume of the lung will drive air into the lung following the pressure gradient. e. None of the above are false f. a and c are false 3. Resistance in the airways is increased by: a. increased surfactant in the alveoli. b. increased parasympathetic stimulation. c. decreased radius of the alveoli containing surfactant. d. decreased pressure gradient between the atmosphere and the alveoli. e. all the above are true...
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- Spring '08
- Atmosphere, Vertebrate trachea