Pharmacological and Parenteral TherapiesQuestion 513 of 2368

A client takes warfarin for a deep vein thrombosis. Which international normalized ratio (INR) result is within the therapeutic range?

  1. 1.1
  2. 4.6
  3. 2.8
  4. 5.4
Show answer

Correct answer: 2.8

The therapeutic INR range is 2.0 to 3.5, depending on the indication.

Source: Nursing Pharmacology, 2nd edition (Open RN, Chippewa Valley Technical College, 2023), Cardiovascular & Renal Systems: Warfarin. Licensed under CC BY 4.0.

Practice the topic "Pharmacological and Parenteral Therapies"

Questions last reviewed: 18 October 2026