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The International Normalized Ratio (INR) Is Used to Standardize the Wide

Question 22

Multiple Choice

The international normalized ratio (INR) is used to standardize the wide variations in the reagent of prothrombin testing.What is the goal of creating the ISI value?


A) Reduce the lot-to-lot variability.
B) Correlate one manufacturer to another.
C) Obtain a reagent that has an ISI of 1.0, or close to it.
D) Reduce the use of anticoagulant therapy.

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