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
The medial bulging of the pharynx is seen in - 
Select and explain. 
A. Pharyngo maxillary abscess, B. Retropharyngeal abscess, C. Peritonsillar abscess, D. Paratonsillar abscess
A: Pharyngo maxillary abscess
Answer: A: Pharyngo maxillary abscess 
Explanation: Pharyngomaxillary space (Parapharyngeal space or lateral pharyngeal space) is lateral to the pharynx.
Obviously the abscess of this space will produce the bulge medially, i.e. medial bulge of the pharynx.