A driver reports for an examination with a history of using coumadin to treat Atrial Fibrillation. He presents with medical clearance from his cardiologist stating he may drive and his most recent INR is 2.5. The examiner would?
a) Use Determination Pending to obtain medical clearance for atrial fibrillation or issue a 3 month certificate
b) Disqualify the driver as the INR is too high.
c) Certify the driver for 1 year.
d) Certify the driver for 2 years.