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.
How to Charge for Cleaning Houses. How much you charge for cleaning someone's house depends on the size of the house, the degree of the mess and how long you spend cleaning it. The number of people it takes to get a cleaning job done will also determine how much you should charge.ou may end making less money if you decide to charge a flat rate, as some houses may take five hours to clean and some may only take an hour, even if they are the same size. If you are doing a routine maintenance cleaning of a house that will take less than hour, charging a flat rate may be more profitable.