Which of the following is the longest acting oral anticoagulant ?
Ans. is 'a' i.e., Bishydroxycoumarin Bishydroxycoumarin (Dicumarol) is the longest acting oral anticoagulant. Ethylbiscoumacetate is the shoest acting anticoagulant.
Bishydroxycoumarin
Warfarin
Acenocoumarol
Phenindione