Semester Hour Credits. Credits for all courses are reported in semester hours. A semester hour credit equals one 50-minute class period per week or its equivalent throughout one semester. The number of semester hour credits given for each course is listed as part of the course description.
International Normalized Ratio (INR) is a blood test that measures the time it takes for blood to clot. Learn more about what INR test results mean for you. International Normalized Ratio (INR) is a blood test that measures the time it takes for blood to clot. This test is usually administered to people taking anticoagulants or blood thinners. INR Levels. The lower the INR number, the shorter it takes for blood to clot and the greater risk you have for blood clots.
A: INR, or international normalized ratio, is a blood test done to check how thick or thin the blood is. INR is used to monitor Coumadin (warfarin) therapy. Coumadin is a blood thinner used to prevent blood clots in patients with a history of clots or certain heart conditions.oumadin (warfarin) is a blood thinner used to prevent the formation of blood clots, to prevent heart attacks and strokes. When you're on warfarin, your doctor must monitor your INR levels to ensure that your blood is not too thin, which can lead to an increased risk of internal bleeding.