Anatomy & Physiology
1st Edition
ISBN: 9781938168130
Author: Kelly A. Young, James A. Wise, Peter DeSaix, Dean H. Kruse, Brandon Poe, Eddie Johnson, Jody E. Johnson, Oksana Korol, J. Gordon Betts, Mark Womble
Publisher: OpenStax College
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Chapter 14, Problem 4ILQ
Watch this animation (http://openstaxcollege.org/l/ear2) to learn more about the inner ear and to see the cochlea unroll, with the base at the back of the image and the apex at the front. Specific wavelengths of sound cause specific regions of the basilar membrane to vibrate, much like the keys of a piano produce sound at different frequencies. Based on the animation, where do frequencies–from high to low pitches–cause activity in the hair cells within the cochlear duct?
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Students have asked these similar questions
What is the main function of the middle ear (tympanic membrane and the three ossicles)?
Improve sound transmission to the cochlea
Protect the cochlea from damage
Ensure proper ventilation of the middle ear space
Contribute to discrimination of sounds
Which ear structure is correctly matched with its function?
a. round window; transmits sound waves into the inner ear
b. external acoustic meatus; directs sound waves to the tympanic membrane c. auditory ossicles; dampen sound waves before they reach the inner ear
d. vestibular membrane; bends the stereocilia on hair cells to produce a nerve signal
The ear can distinguish frequency and amplitude in sound waves. This gives the ear the ability to determine what?
Chapter 14 Solutions
Anatomy & Physiology
Ch. 14 - Watch this video...Ch. 14 - Figure 14.9 The basilar membrane is the thin...Ch. 14 - Watch this video...Ch. 14 - Watch this animation...Ch. 14 - Watch this video...Ch. 14 - Watch this video...Ch. 14 - The inability to recognize people by their faces...Ch. 14 - Watch this video...Ch. 14 - Visit this site...Ch. 14 - Watch this video...
Ch. 14 - Watch this video...Ch. 14 - What type of receptor cell is responsible for...Ch. 14 - Which of these cranial nerves is part of the...Ch. 14 - Which submodality of taste is sensitive to the pH...Ch. 14 - Axons from which neuron in the retina make up the...Ch. 14 - What type of receptor cell is involved in the...Ch. 14 - Which of these sensory modalities does not pass...Ch. 14 - Which nucleus in the medulla is connected to the...Ch. 14 - Visual stimuli in the upper-left visual field will...Ch. 14 - Which location on the body has the largest region...Ch. 14 - Which of the following is a direct target of the...Ch. 14 - Which region of the frontal lobe is responsible...Ch. 14 - Which exuapyramidal tract incorporates equilibrium...Ch. 14 - Which region of gray matter in the spinal cord...Ch. 14 - What type of reflex can protect the foot when a...Ch. 14 - What is the name for the topographical...Ch. 14 - The sweetener known as stevia can replace glucose...Ch. 14 - Why does the blind spot from the optic disc in...Ch. 14 - Following a motorcycle accident, the victim loses...Ch. 14 - A pituitary tumor can cause perceptual losses in...Ch. 14 - The prefrontal lobotomy is a drastic—and largely...Ch. 14 - If a reflex is a limited circuit within the...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- 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_forwardIn the ear, sound waves cause the tympanic membrane to vibrate. What happens next in the middle ear? In the inner 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_forward
- 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?arrow_forwardWatch this video (http://openstaxcollege.org/l/DanielleReed) to learn about Dr. Danielle Reed of the Monell Chemical Senses Center in Philadelphia, PA, who became interested in science at an early age because of her sensory experiences. She recognized that her sense of taste was unique compared with other people she knew. Now, she studies the genetic differences between people and their sensitivities to taste stimuli. In the video, there is a brief image of a person sticking out their tongue, which has been covered with a colored dye. This is how Dr. Reed is able to visualize and count papillae on the surface of the tongue. People fall into two large groups known as tasters and non-tasters on the basis of the density of papillae on their tongue, which also indicates the number of taste buds. Non-tasters can taste food, but they are not as sensitive to certain tastes, such as bitterness. Dr. Reed discovered that she is a non-taster, which explains why she perceived bitterness differently than other people she knew. Are you very sensitive to tastes? Can you see any similarities among the members of your family?arrow_forwardWhich of the special senses is based on the following events? Membrane vibrations cause fluid movements, which lead to bending of mechanoreceptors and firing of action potentials. a. taste b. smell c. hearing d. visionarrow_forward
- Occupational 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_forwardFigure 36.5 Which of the following statements about mechanoreceptors is false? Pacini corpuscles are found in both glabrous and hairy skin. Merkel’s disks are abundant on the fingertips and lips. Ruffini endings are encapsulated mechanoreceptors. Meissner’s corpuscles extend into the lower dermis.arrow_forwardSCIENCE, TECHNOLOGY, AND SOCIETY Cochlear implants bring hearing to many children who are born deaf. The prognosis is best when the device is implanted before the child is three years old (during the early years when language is developed). Many individuals in the deaf community (which consists of individuals born deaf or who are affected by deafness) who communicate with sign language oppose cochlear implants. They do not view the inability to hear as a disability. This perspective raises ethical questions for some families with children who are deaf. Argue for and against cochlear implants for very young children.arrow_forward
- Watch this video (http://openstaxcollege.org/l/ear1) to learn more about how the structures of the ear convert sound waves into a neural signal by moving the hairs, or stereocilia, of the cochlear duct. Specific locations along the length of the duct encode specific frequencies, or pitches. The brain interprets the meaning of the sounds we hear as music, speech, noise, etc. Which ear structures are responsible for the amplification and transfer of sound from the external ear to the inner ear?arrow_forwardThe maculae of the utricle and saccule with their embedded otoliths and the semicircular canals _______. dectect changes in the rate at which the head is moving amplify soft sounds to improve hearing can only detect motion if the head moves at a constant velocityarrow_forwardIs the sense of smell the most important? Explain this statement and discuss it in relation to all of the sensesarrow_forward
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