The international normalized ratio (INR) is used to standardize the wide variations in the reagent of prothrombin testing. What is the target goal of the ISI value in commercial reagents?
A) Reduce the lot-to-lot variability
B) Correlate one manufacturer with another
C) Obtain a reagent that has an ISI of 1.0 or close to it
D) Reduce the use of anticoagulant therapy

Question

Quizplus · Accepted Answer

The target goal of the ISI value in commercial reagents is to obtain a reagent that has an ISI of 1.0 or close to it. This allows for accurate and consistent results across different laboratories and manufacturers.

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