My Notes
Which part of the human ear plays no role in hearing as such but is otherwise very much
required?
1. Eustachian tube
2. Organ of Corti
3. Vestibular apparatus
4. Ear ossicles
Inner ear is
(1) Air filled inner segment
(2) Made up of two parts: Bony and Membranous
(3) Membranous labyrinth encloses bony labyrinth
(4) Membranous labyrinth is surrounded by endolymph
Vestibular apparatus
(1) Composed of three semicircular canals and Otolith
(2) Complex system present in internal ear
(3) It is located above the cochlea
(4) All of these
Which of the following is the sensory part of saccule and utricle?
(1) Macula
(2) Vesibula
(3) Tympana
(4) Ampula
Semi circular canal of internal ear:
(1) Three in number
(2) Lie in different planes
(3) Perpendicular to each other
(4) All of these
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