The Nurse Is Teaching a Review Class on the Lymphatic

question 35

Multiple Choice

The nurse is teaching a review class on the lymphatic system. Which statement by a class participant indicates correct understanding of the material?

• A) "Lymph flow is propelled by the contraction of the heart."
• B) "The flow of lymph is slow, compared with that of the blood."
• C) "One of the functions of the lymph is to absorb lipids from the biliary tract."
• D) "Lymph vessels have no valves; therefore, lymph fluid flows freely from the tissue spaces into the bloodstream."

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Definitions:

Fixed Costs

Expenses that do not change with the level of production or sales over a short period, such as rent, salaries, and insurance.

Break-even Sales

The amount of revenue that must be generated to cover total fixed and variable costs, resulting in zero net income or loss.

Unit Selling Price

The price at which a single unit of a product is sold, determining the revenue generated from sales.

Variable Costs

Costs that vary directly with the level of production or business activity, such as materials and labor.