Prothrombin Time and INR. Guide. Prothrombin time (PT) is a blood test that measures how long it takes blood to clot. A prothrombin time test can be used to check for bleeding problems. PT is also used to check whether medicine to prevent blood clots is working. A PT test may also be called an INR test.rothrombin time (PT) is a blood test that measures how long it takes blood to clot. A prothrombin time test can be used to check for bleeding problems. PT is also used to check whether medicine to prevent blood clots is working. A PT test may also be called an INR test.
Use the following estimates, based on a body weight of 150lbs, to help you determine how many calories you might burn doing about an hour of typical daily housework/ cleaning: 1  Sweeping x 10 minutes = 37 calories. 2  Vacuuming x 10 minutes = 37 calories.  Ironing x 20 minutes = 50 calories.
If you are having one room cleaned, it's usually more cost-effective to charge by the hour. If you are having your whole home cleaned, they will typically charge by the square foot. Some other factors that may affect your rate include: You can negotiate with residential cleaning agencies to reach a fair price.esearch shows that the average hourly cleaning rate for U.S. maid services is between $25 and $45 per hour, so keep that in mind when getting quotes. However, housekeepers and individuals have to work alone and can't get to as many houses in a day as a service, so they will charge above that average.