Prevention of venous thromboembolism (VTE):
a. depends on individual patient risk factors, with either mechanical prophylaxis or a pharmacological approach being used.
b. should require the use of newer drugs such as fondaparinux because they are safer than heparin and just as effective when a rapid anticoagulation effect is required.
c. can be achieved by using mechanical devices, which have the added advantage of being risk-free.
d. is best achieved by using multimodal interventions.
ANS: D
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