A Client Is Prescribed Warfarin for Chronic Atrial Fibrillation

question 5

Multiple Choice

A client is prescribed warfarin for chronic atrial fibrillation. Which laboratory value is most concerning to the nurse?

• A) Platelet count 130,000/microliter
• B) Hematocrit level 31%
• C) Partial thromboplastin time (PTT) 38 seconds
• D) International normalized ratio (INR) 2.8

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Definitions:

Cognitive Dissonance

The discomfort in one's psyche caused by the coexistence of several contradictory beliefs, ideas, or values.

Attribution

Attribution involves the process of explaining the causes or reasons behind behaviors or events, including the inference of personal traits or external circumstances.

Attitude

A psychological tendency expressed by evaluating a particular entity with some degree of favor or disfavor.

Dispositional Attributions

The tendency to attribute an individual's behavior to internal factors, such as personality traits or disposition, rather than external situational influences.