You are working as a registered nurse in a community setting, buddied with a nursing student, Greg. You are assigned to care for Mrs. Neda, who requires the International Normalized Ratio Type (INR) test. You note that Mrs Neda is taking warfarin as part of the management of her atrial fibrilliation. Greg asks you if you could explain the mechanism of the action of warfarin. Explain the mechanism of action of warfarin. Provide a summary of what you learned from your resposne to the weekly topic question. Also provide a summary of lessons learned from peer postings