This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Hematology, Subject name: Pharmacology
In which of the following clinical conditions, use of anticoagulants provide maximum benefit? 
Select and explain. 
A. Prevention of recurrences of myocardial infarction, B. Prevention of venous thrombosis and pulmonary embolism, C. Cerebrovascular accident, D. Retinal aery thrombosis
B: Prevention of venous thrombosis and pulmonary embolism
Answer: B: Prevention of venous thrombosis and pulmonary embolism 
Explanation: Anticoagulants are mainly used for prophylaxis of venous thrombosis (DVT and pulmonary embolism) Antiplatelet drugs are used to prevent aerial thrombosis (MI and stroke).