Biology (MindTap Course List)
11th Edition
ISBN: 9781337392938
Author: Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg
Publisher: Cengage Learning
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Chapter 43.5, Problem 8LO
Summary Introduction
To describe: The path taken by the sound waves through the structure of the ear and also the way in which the organ of Corti functions as an auditory receptor.
Introduction: The ears in birds and mammals are highly developed for hearing. Ear have three parts: outer ear, middle ear, and inner ear. The sound waves travel from outer ear to middle ear and then the signals of hearing are transmitted to brain. Sound waves pass through many canals and membranes so as to be amplified for clear hearing and proper response.
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Trace the path taken by sound waves through the structures of the ear and explain how the organ of Corti functions as an auditory receptor.
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Describe how the structures of the ear function in hearing and the pathway of nerve impulses to the parts of the brain to be processed.
Chapter 43 Solutions
Biology (MindTap Course List)
Ch. 43.1 - How Sensory Systems Work LEARNING OBJECTIVES 1...Ch. 43.1 - Prob. 2LOCh. 43.1 - Prob. 1CCh. 43.1 - PREDICT Imagine that you are hiking along a bay...Ch. 43.1 - Prob. 3CCh. 43.1 - Identify five kinds of sensory receptors based on...Ch. 43.2 - Prob. 3LOCh. 43.2 - What are the functions of thermoreceptors in...Ch. 43.3 - Prob. 4LOCh. 43.3 - Prob. 1C
Ch. 43.3 - Prob. 2CCh. 43.4 - Describe the functions of nociceptors and identify...Ch. 43.4 - Prob. 1CCh. 43.4 - Prob. 2CCh. 43.5 - Prob. 6LOCh. 43.5 - Compare the structure and function of the saccule...Ch. 43.5 - Prob. 8LOCh. 43.5 - Prob. 1CCh. 43.5 - Prob. 2CCh. 43.5 - List the sequence of events involved in hearing.Ch. 43.6 - Prob. 9LOCh. 43.6 - Prob. 1CCh. 43.7 - Prob. 10LOCh. 43.7 - Prob. 11LOCh. 43.7 - Prob. 12LOCh. 43.7 - Prob. 1CCh. 43.7 - What happens when light strikes rhodopsin?...Ch. 43.7 - What is the sequence of neural signaling in the...Ch. 43.7 - What is meant by the statement Vision happens...Ch. 43 - Test your Understanding Know and Comprehend 1. A...Ch. 43 - Prob. 2TYUCh. 43 - Prob. 3TYUCh. 43 - Prob. 4TYUCh. 43 - Prob. 5TYUCh. 43 - Prob. 6TYUCh. 43 - Prob. 7TYUCh. 43 - Prob. 8TYUCh. 43 - Prob. 9TYUCh. 43 - Prob. 10TYUCh. 43 - Prob. 11TYUCh. 43 - SCIENCE, TECHNOLOGY, AND SOCIETY Cochlear implants...
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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_forwardMatch each of the following terms with the appropriate description. _____ somatic senses (general senses)a.produced by strong stimulation _____ special sensesb.endings of sensory neurons or specialized cells next to them _____ variations in stimulus intensity _____ action potentialc.taste, smell, hearing, balance, and vision _____ sensory receptord.frequency and number of action potentials e.touch, pressure, temperature, pain, and muscle sensearrow_forwardOccupational Hearing Loss Frequent exposure to loud noise of a particular pitch can cause loss of hair cells in the part of the cochlea that responds to that pitch. People who work with or around noisy machinery are at risk for such frequency-specific hearing loss. Taking precautions such as using ear plugs to reduce sound exposure is important. Noise-induced hearing loss can be prevented, but once it occurs it is irreversible because dead or damaged hair cells are not replaced. FIGURE 33.24 shows the threshold decibel levels at which sounds of different frequencies can be detected by an average 25-year-old carpenter, a 50-year-old carpenter, and a 50-year-old who has not been exposed to on-the-job noise. Sound frequencies are given in hertz (cycles per second), The more cycles per second, the higher the pitch. FIGURE 33.24 Effects of age aria occupational noise exposure. The graph shows the threshold hearing capacities fin decibels) for sounds of different frequencies (given in hertz) in a 25-year-okj carpenter (blue). a 50-year-old carpenter (red), arid a 50-year-ofd who did not have any on-the-job noise exposure (brown). 1. Which sound frequency was most easily detected by all three people?arrow_forward
- Trace the pathway of a sound wave from where it enters the ear, to the organ of Corti by naming the structures that it passes through or impacts along the way. (Hint: I count 8 major structures before it enters the Organ of Corti proper)arrow_forwardDescribe the mechanism by which sound waves in the outerear are converted into nerve impulses in the inner ear.arrow_forwardDescribe the three main stages by which themammalian ear detects and codes sound.arrow_forward
- Describe the processes that occur that allow sound waves arriving at our external ear or pinna to become converted to electrical impulses in the cochlea or inner eararrow_forwardExplain how the structures of the ear function together to transmit impulses related to hearing or equilibrium.arrow_forwardTrace the path of sound waves from the external acoustic meatus to the hearing receptors.arrow_forward
- List in sequence the structures involved in the transmission of a sound wave to reach the auditory nerve.arrow_forwardDescribe the neuronal pathways for hearing, from thecochlear nerve to the cerebral cortex.arrow_forwardHow is sound transmitted from the environment outside the body to the inner ear? What structures are involved, and how do they transmit sound? Please include references.arrow_forward
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