A) It is lined with connective tissue B) R is separated from the internal ear by

Question

A) It is lined with connective tissue B) R is separated from the internal ear by a bony partition containing the oval and round 30 Which of the following statements about the middle ear is true? window C) It is separated from the external ear by the external auditory meatus D) Its posterior wall communicates with the frontal sinus E) R is connected to the throat vie the tympanic membrane. A) The bony labyrinth is located in the petrous part of the ethmold bone. B) The bony labyrinth can be divided into the three semicircular canals, the vestibule, and the 31. Which of the following statements about the bony labyrinth is NOT true? cochiea. C) The cochlea and vestlbule contain receptors for hearing. D) The semicircular receptors are associated with equilibrium. E) The bony labyrinth contains a fuid known as perilympth. 32. Which of the following statements about the membraneous labyrinth is true? A) The portions of the membranous labyrinth that lile Inside the bony semicircular ducts are called the semicircular canals B) The membranous labyrinth is lined with connective tissue and contains endolymph. C) The utricle and saccule are inside the cochlea. D) The cochlear duct is separated by the vestibular membrane from the scala vestibuli E) All of the above are true. 33. The spiral organ of Corti A) is the organ for balance (equilibrium). B) contains approximately one milion hair cells. C) has inner hair cells arranged in several rows throughout the cochlea. D) has hair cells which synapse with the vestibular branch of the vestibulocochlear nerve. E) is a colled sheet of epithelial cells. The entire audible range extends from A) 10; 10,000 B) 20; 20,000 C) 30; 30,000 D) 10; 40,000 E) 5: 50,000 34. to cycles/second. The cochlear branch of the vestibulocochlear nerve terminates in the A) cerebellum B) frontal lobe C) hypothalamus D) pons E) thalamus 35.

Explanation / Answer

30. It is seperated from inner ear by bony partion....

31. Two statement are false (A) and (C)

32. All of the above is true

33. Coiled sheet of epithelial cells

34. 20 to 20,000

35. Pons - nucleus of choclear nerve is located in Pons.

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