The Film of Fluid in the Pleural Cavity Functions To

question 107

Multiple Choice

The film of fluid in the pleural cavity functions to:

• A) nourish the lungs.
• B) rehydrate the lungs.
• C) provide lubrication between the lungs and thoracic wall.
• D) trap bacteria that may enter the lungs.
• E) inflate the lungs.

---

Definitions:

Average Cost Formulas

A method used in accounting to calculate the cost of goods sold and ending inventory by averaging the cost of all items available for sale during the period.

Unit Cost

The expense incurred to produce, store, and sell one unit of a product or service.

Unit Cost

The cost to produce, acquire, or purchase one unit of a product or service, calculated by dividing total costs by the number of units produced or acquired.

Inventory

The total amount of goods or materials in stock, which a business holds to ultimately sell for a profit.