I now have a dnro. if ambulance workers show and i have a pulse but am unconscious (lets say a stroke) will revival be attempted with a do not resusitate order?

How would the ambulance worker know about your DNRO? You should file your DNRO with your doctor. You may look into getting a wrist band, however, emergency workers may not be obliged to follow it as people do change their minds with change in circumstances. https://www.fda.gov/medical-devices/industry-medical-devices/use-purple-bracelets-or-wristbands-only-do-not-resuscitate-status-letter-industry

For as long as you have a pulse with normal heart activity and breathing well, you will not need resuscitation, that is meant to reestablish heart activity and circulation, such patients are typically monitored and transported to closest medical facility for further work up and treatment. Unless you have your DNR order easily visible in electronic medical orders or on the fridge door, EMS will try