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Physiology Quiz -
Respiratory Physiology - Part 1
Test your basic knowledge of respiratory physiology by taking this simple quiz.
(1)   Approximately, how many alveoli are there in both (i.e., left and right) human lungs combined?
(2)   The respiratory zone of the lungs is composed of:
(3)   By the time inspired air reaches the respiratory exchange surfaces, the partial pressure of water (water vapor pressure) in this gas mixture is __________. Assume normal body temperature (37 °C).
(4)   Which of the following is (are) responsible for the release of surfactant molecules into the air-filled lumen of the alveoli?
(5)   In the lungs, which one of the following is NOT a barrier to gas exchange between red blood cells and the alveolar space?
(6)   The maximum amount of air that can be expired after a maximum inspiration is:
(7)   This volume of air cannot be exhaled from the lungs regardless of the magnitude of expiration:
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Posted: Friday, January 2, 2015