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.
Master is an old British term which usually means a boy under 13 in formal correspondance. In evelope ettiquette he is Master until he reaches 8 years old then he is just address by name then at 18 by Mister.