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: ENT
Emergency Tracheostomy 
Select and explain. 
A. Horizontal skin incision, B. Vertical incision, C. Cosmetically better, D. Is well planned and prepared
B: Vertical incision
Answer: B: Vertical incision 
Explanation: None