Which blood test standardizes prothrombin time (PT)results among worldwide clinical laboratories?

Question

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The international normalized ratio (INR)was developed by the World Health Organization in 1982 to standardize prothrombin time results among clinical laboratories worldwide.High-density lipoproteins (HDLs)are particles of the total serum cholesterol.Activated coagulation time (ACT)is also known as the activated clotting time.The ACT is a point of care test that is performed outside of the laboratory setting in areas such as the cardiac catheterization laboratory,the operating room,or critical care units.The activated partial thromboplastin time (aPTT)is used to measure the effectiveness of intravenous or subcutaneous ultrafractionated heparin therapy.

Which Blood Test Standardizes Prothrombin Time (PT)results Among Worldwide Clinical