A Nurse, Assisting a Physician with the Insertion of a Central

question 9

Multiple Choice

A nurse, assisting a physician with the insertion of a central venous catheter, instructs a client to perform the Valsalva maneuver during the insertion of the catheter. The purpose of instructing the client to perform the Valsalva maneuver is to:

• A)make PICC insertion easier.
• B)prevent thrombus formation.
• C)prevent air from entering the circulation.
• D)prevent malposition of the catheter during insertion.

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Definitions:

Profit

The financial benefit that is realized when the amount of revenue gained from a business activity exceeds the expenses, costs, and taxes needed to sustain the activity.

Economic Profits

Profits exceeding the total cost of capital, including both the cost of debt and the opportunity cost of equity capital.

Explicit Costs

Expenses directly incurred in the course of running a business, such as wages and materials.

Economic Costs

The total value of all resources used in the production of a good or service, including both explicit and implicit costs.