The ear ossicles transmit sound waves to:
1. Ear drum | 2. Oval window |
3. Round window | 4. Cochlear duct |
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Above the rows of hair cells of Organ of Corti, there is a thin elastic membrane called:
1. Reissner’s membrane | 2. Basilar membrane |
3. Tectorial membrane | 4. Tympanic membrane |
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Membranous labyrinth of the inner ear is surrounded by:
1. Perilymph | 2. Endolymph |
3. Hemolymph | 4. Air |
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In the ear, the utricle and the saccule are located in the:
1. cochlea | 2. semicircular canal |
3. spiral organ (organ of Corti) | 4. vestibule |
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Crista ampullaris is found in:
1. Semi-circular canals | 2. Utricle |
3. Saccule | 4. Cochlea |
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The sensory organ of the otolith organ is called as:
1. Macula | 2. Ampulla |
3. Crista | 4. Cupula |
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Reissner’s membrane in the inner ear separates the cochlear duct [scala media] from the:
1. round window | 2. scale vestibuli |
3. scala tympani | 4. basilar membrane |
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The scala vestibuli and scala tympani contain perilymph and are connected at the:
1. cochlear duct | 2. helicotrema |
3. semicircular duct | 4. vestibule |
The tympanic membrane:
1. is covered on both sides by skin
2. is covered on both sides by mucus membrane
3. is covered with skin on the outside and by mucus membrane on the inside
4. is covered with skin on the inside and by mucus membrane on the outside
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The given diagram shows a section of a part of cochlea. A, B and C respectively are:
1. Reissner’s membrane, Basilar membrane and Tectorial membrane
2. Reissner’s membrane, Tectorial membrane and Basilar membrane
3. Basilar membrane, Tectorial membrane and Reissner’s membrane
4. Tectorial membrane, Reissner’s membrane and Basilar membrane
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