Physiologists Are Researching the Normal Mechanisms of Pleural Fluid Formation

question 52

Multiple Choice

Physiologists are researching the normal mechanisms of pleural fluid formation and absorption. They obtain healthy experimental animals with human-like pleuropulmonary anatomy and physiology. These animals are given intravenous radioisotope tracers and closely monitored 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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Definitions:

Cannon's Hypothesis

A theory suggesting that emotions originate in the thalamus, which sends signals simultaneously to the cerebral cortex (producing the conscious experience of emotion) and the autonomic nervous system (producing physiological arousal).

Surgically Removed

Refers to the process of removing tissues, organs, or growths from the body via an operative procedure.

Ghrelin

A hormone produced by the stomach that stimulates appetite and growth hormone release.

Insulin

A hormone produced by the pancreas that regulates the amount of glucose in the blood by facilitating its uptake into cells.