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
The usual location of glomus jugulare tumour is 
Select and explain. 
A. Epitympanum, B. Hypotypanum, C. Mastoid tip cells, D. Internal auditory meatus
B: Hypotypanum
Answer: B: Hypotypanum 
Explanation: Glomus jugulare tumour arises from the dome of jugular bulb and invades hypotympanum and jugular foramen causing neurological signs of IX and XII cranial nerve involvement. Ref: Textbook of diseases of ENT, PL Dhingra, 7th edition, pg no. 121