This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Surgery
The ideal treatment for hemothorax of blood loss greater than 500 ml/hour - 
Select and explain. 
A. Wait and watch, B. Needle aspiration, C. Intercostal tube, D. Open thoracotomy with ligation of vessel
D: Open thoracotomy with ligation of vessel
Answer: D: Open thoracotomy with ligation of vessel 
Explanation: Answer is 'd' i.e. Open thoracotomy with ligation of vessel