How are anticoagulant drugs and thrombolytic drugs different?
a. There is no difference; they both have the same actions.
b. Anticoagulants prevent clots from forming whereas thrombolytics can dissolve clots that have already formed.
c. Thrombolytics must be administered intravenously while all anticoagulants are administered as oral agents.
d. Anticoagulants prevent clots by actually thinning the blood whereas thrombolyt-ics reduce platelet aggregation and do not affect blood thickness.
B
Both thrombolytics and anticoagulants disrupt steps in clot formation. However, anticoagulants have no effect on clots that have already formed. Only thrombolytics can dissolve an existing clot. Neither drug causes a "thinning" of the blood. Blood viscosity (thickness or specific gravity) remain the same when a person receives either class of drug.
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