Final answer:
Ordering an INR test within 24 hours prior to the procedure is the most appropriate preoperative management.
Step-by-step explanation:
The most appropriate preoperative management for an anxious 67-year-old patient with a heart murmur, hypertension, and a cerebrovascular accident 5 years ago, who is taking clopidogrel, hydrochlorothiazide, and rosuvastatin, is option B: Ordering an INR test within 24 hours prior to the procedure.An INR test, which measures the blood's ability to clot, is important in patients taking medications like clopidogrel, as it helps determine the risk of excessive bleeding during the tooth extraction procedure.This step allows the medical team to assess the patient's bleeding risk and take appropriate measures, such as adjusting medication dosages or formulating a plan to manage bleeding complications.