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A healthy 40 year old woman inhales to total lung capacity and then exhales forcefully.The rate of expiratory airflow is highest at total lung capacity and decreases linearly as exhalation continues. Which of the following is the most likely cause of the observed decrease in expiratory airflow?
a. airway compression
b. decreased expiratory effort
c. decreased intrapleural pressure
d. doming of the diaphragm
e. increased elastic recoil
please explain all answer choice
a. airway compression
b. decreased expiratory effort
c. decreased intrapleural pressure
d. doming of the diaphragm
e. increased elastic recoil
please explain all answer choice