Physiologists Are Studying the Mechanisms of Pleural Fluid Formation and Absorption

question 134

Multiple Choice

Physiologists are studying the mechanisms of pleural fluid formation and absorption in the normal state.  They obtain healthy experimental animals whose pleuropulmonary anatomy and physiology closely resembles that of humans.  Intravenous radioisotope tracers are injected into these animals and are monitored closely to track fluid movement into and out of the pleural space.  Which of the following pathways of pleural fluid turnover is most likely to be observed?

• A)A
• B)B
• C)C

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