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.
Warfarin is monitored with a lab test called the INR (International Normalized Ratio). INR can also be called a protime (PT). INRs are used to determine the correct dose of warfarin to give. Your INR should be near 1 if you are not taking warfarin.