This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Head & Neck Infections, Subject name: ENT
Danger space is located between: 
Select and explain. 
A. Buccopharyngeal and alar fascia, B. Alar fascia and prevertebral fascia, C. Buccopharyngeal and mandible, D. Capsule of tonsil and superior constrictor muscle
B: Alar fascia and prevertebral fascia
Answer: B: Alar fascia and prevertebral fascia 
Explanation: (b) Alar fascia and prevertebral fascia(Ref. Scott Brown, Vol 3; 551)In between buccopharyngeal and alar fascia is the retropharyngeal space.In between buccopharyngeal and mandible is the parapharyngeal space.In between capsule of tonsil and superior constrictor muscle is peritonsillar space.