A Patient Has Had Recent Mechanical Heart Valve Surgery and Is

question 2

Multiple Choice

A patient has had recent mechanical 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 3 indicates: which of these?

• 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:

Long-Term Memories

Memories that can be retained for an extended period, potentially a lifetime, including factual, experiential, and conceptual information.

Personal Factors

Individual characteristics that influence behavior, attitudes, and performance.

Situational Factors

External conditions or circumstances that influence an individual's behavior, decisions, and actions in a given context.

Locus of Causality

Refers to where individuals attribute the cause of events, either internally (to themselves) or externally (to the situation or others).