MASTERING A&P PLUS WITH ETEXT
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ISBN: 9781323391358
Author: Marieb
Publisher: PEARSON C
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Chapter 8, Problem 27SAE
Summary Introduction
To review:
Before reaching the cochlea, the sound waves are passed through some structures.
Introduction:
The cochlea is a part of the inner ear which has an appearance of a snail shell. Its coiled shape increases the sensitivity to low frequency. It receives the sound in the form of vibrations that results in the movement of stereocilia. The stereocilia convert these vibrations into the nerve impulses which are then sent to the brain for the interpretation.
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List, in order, the structures that must conduct a soundwave from the time it enters the auditory canal until itreaches the cochlea.
Describe the path sound takes as it moves through the ear from the external auditory canal to the movement of a hair cell in the cochlea.
Describe the progress of a sound wave until it isidentified in the brain.
Chapter 8 Solutions
MASTERING A&P PLUS WITH ETEXT
Ch. 8 - More than one choice may apply. Which of the...Ch. 8 - More than one choice may apply. Identify the...Ch. 8 - Prob. 3MCCh. 8 - Which cranial nerve controls contraction of the...Ch. 8 - The cornea is nourished by a. corneal blood...Ch. 8 - When the eye focuses for far vision, a. the lens...Ch. 8 - Convergence a. requires contraction of the medial...Ch. 8 - Prob. 8MCCh. 8 - Prob. 9MCCh. 8 - Prob. 10MC
Ch. 8 - Prob. 11SAECh. 8 - Prob. 12SAECh. 8 - 13. Diagram and label the internal structures of...Ch. 8 - Prob. 14SAECh. 8 - Prob. 15SAECh. 8 - 16. What is the blind spot, and why is it so...Ch. 8 - What name is given to the structure that controls...Ch. 8 - What is the fovea centralis, and why is it...Ch. 8 - Prob. 19SAECh. 8 - Describe the difference between the photopupillary...Ch. 8 - 21. Define hyperopia, myopia, and emmetropia.
Ch. 8 - Prob. 22SAECh. 8 - Prob. 23SAECh. 8 - Prob. 24SAECh. 8 - Many students struggling through mountains of...Ch. 8 - Prob. 26SAECh. 8 - Prob. 27SAECh. 8 - Prob. 28SAECh. 8 - Prob. 29SAECh. 8 - Prob. 30SAECh. 8 - Prob. 31SAECh. 8 - Prob. 32SAECh. 8 - Prob. 33SAECh. 8 - Which special sense requires the most learning?Ch. 8 - 35. For each of the following descriptions,...Ch. 8 - Prob. 36CAQCh. 8 - Prob. 37CAQCh. 8 - Prob. 38CAQCh. 8 - Brandon suffered a ruptured artery in his middle...Ch. 8 - Prob. 40CAQCh. 8 - Kathy visits her Optician as she has been...Ch. 8 - 42. Julie and her father love to find the...Ch. 8 - Prob. 43CAQCh. 8 - 44. Mrs. Garson has an immune disorder that causes...Ch. 8 - Prob. 45CAQ
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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.arrow_forwardFigure 14.9 The basilar membrane is the thin membrane that extends from the central core of the cochlea to the edge. What is anchored to this membrane so that they can be activated by movement of the fluids within the cochlea? Figure 14.9 Cochlea and Organ of Corti LM × 412. (Micrograph provided by the Regents of University of Michigan Medical School © 2012)arrow_forwardList in sequence the structures involved in the transmission of a sound wave to reach the auditory nerve.arrow_forward
- Explain how sounds of different intensities affect the function of the cochlea. How are different pitches of sounds distinguished by the cochlea?arrow_forwardDescribe the mechanisms contributing to excitability changes in the dorsal cochlear nucleus of the auditory pathway during tinnitusarrow_forwardDiscuss the basic difference between determining the location of a sound source in the brain and determining the location of the visual object in the brain. Please include references.arrow_forward
- Describe how the anatomy of the cochlear auditory pathway enables normal auditory sensorineural physiology?arrow_forwardList three causes of hearing loss associated with aging.arrow_forward. List the sequence of events that occurs between the entry of asound wave into the external auditory canal and the firing of actionpotentials in the cochlear nerve?arrow_forward
- What is the cochlea responsible for?arrow_forwardUsing the attached image, Identify the following labels (G, D, B, and C) in the plan diagram of the longitudinal section of the cochlea: Options: 1. Cochlear branch of the vestibulocochlear (VIII) nerve 2. Cochlear duct 3. Vestibular membrane 4. Scala tympani 5. Organ of Corti 6. Basilar membrane 7. Scala vestibuliarrow_forwardDefine and describe decussation and indicate the first level within the Central Auditory Nervous System that decussation occurs.arrow_forward
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