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.
Seven-step guide to ethical decision-making (Davis 1999) 1  State the problem. 2  Check the facts. 3  For example, persons involved, laws, professional codes, other practical constraints.  Identify relevant 1  factors. Develop a list of options.  Test the 1  options. Make a choice based on steps  1-5. Review steps 1-6.