Prothrombin time (PT) is a coagulation test performed to measure the time it takes for a firm fibrin clot to form after tissue thromboplastin (factor III) and calcium are added to a sample of plasma.
How to Decide on a Masterâs Degree Program. How to Decide on a Masterâs Degree Program. Graduate school acceptance letters are starting to roll in for students looking to continue their education, and picking the right masterâs degree program can set the tone for their career trajectory.
How to determine the OptionButton control that is selected. 1  Start Excel, and then open a new blank workbook. 2  On the Tools menu, point to Macro, and then click Visual Basic Editor. 3  On the Insert menu, click UserForm to insert a UserForm in your workbook. 4  Add a Frame control to the UserForm.