chambérs, including the semicircucanáls,vith respect to gravity. It consIsas well as the bony cochlea that is involved in hearing. Hair cells in the organs of Corti in thecochlea are the receptors for hearing that generate action potentials in the sensory neurons of thecochlear nerve.OuterMiddleInnerearearear10.11. The sensory organ for hearing and equilibrium in the human is the ear. The outer ear consists ofthe external pinna, as well as the auditory canal. Together, they collect sound waves and sendthem to the tympanic membrane. This membrane, known as the ear drum, separates the outerear from the middle ear. In the middle ear, small bones (malleus, incus, and stapes) transmitamplified vibrations through the oval window to fluid within the vestibular canal. The roundwindow of the tympanic canal serves as an escape valve for the pressure. The middle ear alsoopens into the Eustachian tube to aid in equalizing pressure between the middle ear and theatmosphere. The inner ear includes organs of equilibrium that sense the position of the bodywith respect to gravity. It consists of fluid-filled chambers, including the semicircular canals,as well as the bony cochlea that is involved in hearing. Hair cells in the organs of Corti in thecochlea are the receptors for hearing that generate action potentials in the sensory neurons of thecochlear nerve.OuterMiddleInnerearearear12.

Human ear The ear is both a hearing and an equilibrium organ. Hearing is the conversion of sound…

chambérs, including the semicircu canáls, vith respect to gravity. It consIs as well as the bony cochlea that is involved in hearing. Hair cells in the organs of Corti in the cochlea are the receptors for hearing that generate action potentials in the sensory neurons of the cochlear nerve. Outer Middle Inner ear ear ear 10. 11.

chambérs, including the semicircu canáls, vith respect to gravity. It consIs as well as the bony cochlea that is involved in hearing. Hair cells in the organs of Corti in the cochlea are the receptors for hearing that generate action potentials in the sensory neurons of the cochlear nerve. Outer Middle Inner ear ear ear 10. 11.

Biology 2e

2nd Edition

ISBN:9781947172517

Author:Matthew Douglas, Jung Choi, Mary Ann Clark

Publisher:Matthew Douglas, Jung Choi, Mary Ann Clark

Chapter36: Sensory Systems

Section: Chapter Questions

Problem 2VCQ: Figure 36.14 Cochlear implants can restore hearing in people who have a nonfunctional cochlea The...

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Figure 36.14 Cochlear implants can restore hearing in people who have a nonfunctional cochlea The implant consists of a microphone that picks up sound. A speech processor selects sounds in the range of human speech, and a transmitter converts these sounds to electrical impulses, which are then sent to the auditory nerve. Which of the following types of hearing loss would not be restored by a cochlear implant? Hearing loss resulting from absence or loss of hair cells in the organ of Corti. Hearing loss resulting from an abnormal auditory nerve. Hearing loss resulting from fracture of the cochlea. Hearing loss resulting from damage to bones of the middle ear.
Jill is diagnosed with sensorineural deafness, a disorder in which sound waves are transmitted normally to the inner ear but they are not translated into neural signals that travel to the brain. Sometimes the cause is a problem with the auditory nerve, but in Jills case it has to do with a problem in the inner ear itself. Where in the inner ear is the disruption most likely to be located?
In the ear, sound waves cause the tympanic membrane to vibrate. What happens next in the middle ear? In the inner ear?
The function of structure 4, the round window, is to _________. bulge outward to give the fluid of the inner ear somewhere to go when the stapes pushes inward transmit sound from the ear ossicles of the middle ear to the hair cells of the inner ear amplify the sound wave as it is transmitted from the typanic membrane to the ear ossicles prevent fluid in the middle ear from entering the inner ear while allowing sound transmission
A major function of the middle ear is to transmit sound vibrations from the external ear to the inner ear. Use words and arrows to make a flow-chart (words with arrows) that depicts the middle ear structures in the order in which sound vibrations are passed as they make their way from the tympanic membrane to the inner ear.
High intensity (loud) sounds can cause deafness because they are most damaging to the hair cells of the spiral organ of Corti tympanic membrane bones of the middle ear vestibular system What is the first brain structure to receive input from both ears and is important in locating the direction of sound? The superior olive Cochlear nuclei Inferior colliculus The primary auditory cortex
The inner ear is responsible for both hearing and balance. One of the diseases affecting the inner ear is Meniere's disease. Affected individuals often experience vertigo, among other symptoms. Vertigo is a sensation that the surroundings are spinning or swaying in the absence of any body movement. Which of the following rows correctly identifies the affected structure and process in individuals experiencing vertigo? Select one: a. Structure Process Semicircular canals Gravitational equilibrium O b. Structure Process Organ of Corti Rotational equilibrium O c. Structure Process Organ of Corti Gravitational equilibrium d. Structure Process Semicircular canals Rotational equilibrium
The process of hearing begins when sound waves enter the auditory canal middle ear inner ear ossicles In vision, a nerve impulse travels from the: ganglionic cells to bipolar cells to rods and cones O rods and cones to bipolar cells to ganglionic cells O bipolar cells to rods and cones to ganglionic cells rods and cones to ganglionic cells to bipolar cells
Researchers have linked the release of airbags in cars to impaired hearing. When an airbag is released, there is a rapid increase in air pressure, which can damage the inner ear. Structures of the Human Ear 1 Ossicles 2 Cochlea 3 Auditory canal 4 Tympanic membrane 3. The sequence in which the highly compressed pressure waves created by the an airbag travel through the structures of the human ear is release and
The bony wall found at the end of the middle ear has the three ossicles: malleus, incus and stapes tympanic membrane an oval window and a round window tectorial and basilar membrane Which layer of the retina is the nearest to light crossing the pupil? Ganglion cell layer Photoreceptor outer segments Outer nuclear layer Outer plexiform layer
A cochlear implant is very different from a hearing aid. Hearing aids amplify sound. A cochlear implant is designed to compensate for damaged or nonfunctional parts of the inner ear. Which of the following rows correctly identifies the structures of the ear that hearing aids and cochlear implants replace? Select one: а. Device Cochlear Implant Hearing Aid Structure of the Ear hair cells tympanum and ossicles Intended to Replace b. Device Cochlear Implant Hearing Aid Structure of the Ear basilar membrane tympanum Intended to Replace С. Device Cochlear Implant Hearing Aid Structure of the Ear ossicles organ of Corti Intended to Replace d. Device Cochlear Implant Hearing Aid Structure of the Ear tympanum ossicles Intended to Replace
Which of the following is the correct sequence of structures involved in the hearing process (from external to internal); O Leg bone, hip bone, back bone O None of these is correct O Eyes, ears, nose, throat O Cochlear nerve, cochlea, Ossicles, tympanum, pinna Pinna, tympanum, Ossicles, cochlea, cochlear nerve