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
Patient presents with neck swelling and respiratory distress few hours after a thyroidectomy surgery. Next management would be: 
Select and explain. 
A. Open immediately, B. Tracheostomy, C. Wait and watch, D. Oxygen by mask
A: Open immediately
Answer: A: Open immediately 
Explanation: In this case, the swelling is due to tension haematoma which is a complication of thyroidectomy. Hence the resulting complication will be respiratory obstruction secondary to laryngeal oedema. Ref: Harrison's Internal Medicine, 18th Edition, Page 362; bailey and Love's Sho Practice of Surgery, 25th Edition, Page 790, 794 and 23rd Edition, Page 727.