This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Ear, Subject name: ENT
[{'content': 'Prussak&;s space is situated in \nSelect and explain. \nA. Ear canal, B. Epitympanum, C. Mesotympanum, D. Hypotympanum', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Prussak&;s space: Prussak&;s space lies medial to pars flaccida, lateral to the neck of malleus and above the lateral process of malleus. Anteriorly, posteriorly and superiorly, it is bounded by lateral malleal ligament. Posteriorly, it also has a gap through which the space communicates with epitympanum. Ref:- Dhingra; pg num:-449', 'role': 'assistant'}]