The nurse is preparing to instill which agent to clear fibrin from the client's central venous catheters?
a. heparin c. urokinase
b. warfarin d. enoxaparin
ANS: C
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A Incorrect: Heparin will not dissolve fibrin clots.
B Incorrect: Warfarin is an oral anticoagulant.
C Correct: Urokinase is a thrombolytic agent used to clear fibrin from CVADs.
D Incorrect: Enoxaparin is a low molecular weight heparin agent.
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