This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Hearing Loss, Subject name: ENT
Which of the following test assesses resistance in middle ear? 
Select and explain. 
A. Pure tone audiometry, B. Impendence audiometry, C. Caloric test, D. BERA (Brainstem evoked response audiometry)
B: Impendence audiometry
Answer: B: Impendence audiometry 
Explanation: (b) Impendence audiometry(Ref. Cummings, 6th ed., 2203)Pure tone audiometry tests the threshold of hearing at various frequencies. It tells about the type and degree of hearing.Caloric test is a test of vestibular function.BERA tests the peripheral and central auditory pathways.