A Patient Has Had Recent Prosthetic Heart Valve Surgery and Is

question 17

Multiple Choice

A patient has had recent prosthetic heart valve surgery and is receiving anticoagulant therapy. While monitoring the patient's laboratory work, the nurse interprets that the patient's international normalized ratio (INR) level of 2.5 indicates that

• A) the patient is not receiving enough warfarin to have a therapeutic effect.
• B) the patient's warfarin dose is at therapeutic levels.
• C) the patient's intravenous heparin dose is dangerously high.
• D) the patient's intravenous heparin dose is at therapeutic levels.

---

Definitions:

Monopolistic Competition

A market structure characterized by many firms selling products that are similar but not identical, allowing for some differentiation and price control.

Long-Run Economic Profits

The sustained extra income a firm generates when all inputs are variable, indicating the firm's long-term competitive advantage.

Monopolistic Competition

Monopolistic competition is a market structure where many companies sell products that are similar but not identical, allowing for product differentiation and some degree of market power.

Marginal Benefit

The incremental advantage received by using one more unit of a good or service.