The following statements are true about anticoagulants
A
Heparin directly potentiates antithrombin III
B
Osteoporosis may occur due to prolong therapy of Heparin
C
Anticoagulants are contraindicated in major surgery within 10 days
D
Monitoring of heparin is done by prothrombin time
E
Warfarin can be safely given in pregnancy
Correct Answer: Heparin directly potentiates antithrombin III, Osteoporosis may occur due to prolong therapy of Heparin, Anticoagulants are contraindicated in major surgery within 10 days