<prompt> Hess test is done to assess -Bleeding timeCapillary fragilityClotting timeProthrombin time  <response>: Hess capillary resistance test or tourniquet test is done by tying sphygmomanometer cuff to the upper arm and raising it in between diastolic and systolic pressure for 5 minutes.Presence of more than 20 petechiae over the cubital fossa is considered a positive test.The test is positive in increased capillary fragility as well as in thrombocytopenia. 