Match the partial pressure of the following gases:  

During exhalation, the intra-alveolar pressure decreases toward atmospheric pressure and allows the elastic properties of the lungs to return to their normal resting level.

Calculate the alveolar oxygen tension (hint use the ideal alveolar equation). PACO2 (55) FiO2 (.80) A. 610.7 B. 501.6 C. 298.2 D. 898.4

The area where most gas exchange occur in the interstitium is termed: A. tight space B. loose space C.  tight and loose space D. none of the above  

Which clinical measurement is used to evaluate the elastic forces of the lungs? A. minute ventilation B. lung compliance C. surface tension D. airway resistance

What is the term for the potential space between the visceral and parietal pleura? A. pericardial cavity B. thoracic cavity C. pleural cavity  D. mediastinum

What is the general term for a pressure difference between two points in a system?  A. diffusion B. osmotic gradient C. pressure gradient D. system pressure variation

Which of the following is true related to oxygen diffusion?     a.   It can only be perfusion limited     b.   It is normally diffusion limited but under certain abnormal pulmonary condition can become perfusion limited     c.   It can only be diffusion limited     d.   It is normally perfusion limited but under certain abnormal pulmonary conditions can become diffusion limited 

___________ refers to the study of forces in action. A. Static B. Resistance C. Combustion D. Dynamic

Which physical law explains elastance?  A. Gay-Lusasac’s law B. Charles’ law C. Boyle’s law D. Hooke’s law