What Is Pleural Effusion

question 4

Multiple Choice

What is pleural effusion?

• A) a small amount of fluid in the pleural cavity
• B) no fluid in the pleural cavity
• C) an abnormal collection of fluid in the pleural cavity
• D) air in the pleural cavity

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Definitions:

Permeability

The ability of a material, such as rock or soil, to allow fluids to pass through it, often measured in terms of the ease with which water can flow.

Porosity

The measure of a rock's ability to hold water, determined by the volume of voids or spaces within the rock.

Artesian Aquifer

A confined aquifer containing groundwater under positive pressure, causing water to rise above the surrounding water table when tapped.

Confined Aquifer

A confined aquifer is a water-bearing stratum of permeable rock, sand, or gravel that is trapped between layers of impermeable rock and is under pressure.