Campbell Biology:conc.(ll)-w/access
9th Edition
ISBN: 9780134784427
Author: Reece
Publisher: PEARSON
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Chapter 29, Problem 7TYK
Summary Introduction
Introduction: Hearing is a mechanism in which sound wave travel to the brain through ears. Ears structure consist of, outer ear, middle ear, inner ear and neuronal.
Middle ears contain ossicles bone that transmits the sound vibration from middle ear to inner ear, and inner ear contains hair cells and basilar membrane on cochlea, and auditory nerve. Neuronal code the sound vibration into nerve signal that is perceived by the brain.
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Chapter 29 Solutions
Campbell Biology:conc.(ll)-w/access
Ch. 29 - Prob. 1CCCh. 29 - Which of the following sensory receptors is...Ch. 29 - Which of the following are not known to be present...Ch. 29 - What do the receptor cells in the lateral line...Ch. 29 - If you look away from this book and focus your...Ch. 29 - Prob. 6TYKCh. 29 - Prob. 7TYKCh. 29 - Prob. 8TYKCh. 29 - Hold your right eye closed. With your left eye,...Ch. 29 - Construct a graph in which membrane potential is...
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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_forwardJill 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?arrow_forwardLarry goes to the doctor complaining that he cant see the right side of the visual field with either eye. Where in the visual signal-processing pathway is Larrys problem occurring?arrow_forward
- Figure 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 Ă— 412. (Micrograph provided by the Regents of University of Michigan Medical School © 2012)arrow_forwardWhat is meant by the statement Vision happens mainly in the brain?arrow_forwardYou are experiencing some hearing loss. You don’t work with loud machinery or go to loud concerts. But, you do work in a busy smoothie bar, so have regular exposure to a loud blender. The ear doctor tells you that although blenders are only moderately loud, frequent exposure to sound levels greater than _______ (like the blender) has most likely caused damage to the cochlear hairs that produce those sounds. 75 dB 95 dB 125 dB 150 dB 175dBarrow_forward
- You are firing your laser cannon from your position on the bridge of your starship. You see the hostile enemy starship explode, but you hear no accompanying sound. Can you explain this? How doreceptors for sight and hearing differ?arrow_forwardAfter chronic ear infections as a kid, my husband experienced what is known as otosclerosis. Basically, his ear bones started to fuse together. This resulted in hearing loss. What type of hearing loss is this, and how can it be treated?arrow_forwardPresbyopia is a condition in which a person loses part or all of their capacity to adapt to changes in visual acuity. Will she still need reading glasses after having LASIK to fix her far vision? Explain.arrow_forward
- Grandpa can't ever seem to hear what his little granddaughters say. He also can't hear that high-pitched whine in the Subaru engine that everyone else seems to hear. You suspect that grandpa has too much ear wax built up in his external auditory canal, and therefore has developed conduction deafness has damage to the vestibulocochlear nerve has damaged either the utricle or the saccule, though it will be hard to tell which one without further testing has damaged the hair cells closest to the oval window has "selective" hearing loss, because the granddaughters are always trying to get him to play with them when he's tired, and he doesn't want to work on that darned car anymore either.arrow_forwardWhich of the following relays in the auditory system is the closest to the ear? Select one: a. superior olives b. cochlear nucleus c. inferior colliculus d. medial geniculate nucleus e. primary auditory cortexarrow_forwardPresbyopia is a condition in which a person's ability to adjust to changes in visual acuity diminishes or disappears entirely. Will she still require reading glasses after LASIK to correct her far vision? Explain.arrow_forward
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