【单选题】Which of the following is true during inspiration?
A. Intrapleural pressure is more negative than it is during expiration B. Alveolar pressure is higher than atmospheric pressure C. Intrapleural
A. Intrapleural pressure is more negative than it is during expiration B. Alveolar pressure is higher than atmospheric pressure C. Intrapleural
举一反三
- When the diaphragm and external intercostals muscles contract, which<br/>of the following actions does NOT occur ____? A: Air moves into the lung B: The intrapleural pressure increases C: The diaphragm moves inferiorly D: The intrapulmonary pressure decreases
- CO can cause a shift of the oxygen dissociation curve to left. At the apex of the lung, the arterial pressure is higher than alveolar pressure.
- 压力值必须超过800千帕。 A: The pressure value must be more than 800 kpa. B: The pressure value must be greater than 800 kpa. C: The pressure value must be over 800 kPa. D: The pressure value must be above 800 kPa.
- The reading of the metal manometer is ( ) A: Absolute pressure B: Gage pressure C: Vacuum pressure D: Local atmospheric pressure
- Water evaporates or steam condenses at the saturation temperature, which depends upon the pressure, the higher the pressure _____ the saturation temperature. A: the more B: the highe C: the lowe D: the highest