Warfarin's mechanism of action is
AInhibiting Vitamin K dependent carboxylation
BChelating calcium ions
CInhibiting antithrombin III activity
DInhibiting thrombin activity
A 20-year-old woman with a family history of von Willebrand disease is found to have an activated partial thromboplastin time (aPTT) of 78 (normal = 32) on routine testing prior to cholecystectomy. Further investigation reveals a prothrombin time (PT) of 13 (normal = 12), a platelet count of 350,000/mm³, and an abnormal bleeding time. Which of the following should be administered in the perioperative period?
AFactor VIII
BDesmopressin (DDAVP)
CPlatelets
DVitamin K
Ximelagatran is used as ?
AAnticoagulant
BFibrinolytic
CPlatelet inhibitor
DClot buster
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