ANAT.+PHYSIO.1-LAB.MAN. >CUSTOM<
20th Edition
ISBN: 9781264303106
Author: VanPutte
Publisher: MCGRAW-HILL HIGHER EDUCATION
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Textbook Question
Chapter 15, Problem 8CT
If a vibrating tuning fork is placed against the mastoid process of the temporal bone, the vibrations are perceived as sound, even if theexternal auditory canal is plugged. Explain how this happens.
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One of the mechanisms that the auditory system uses to localize sound is referred to as interaural time difference (ITD). Where in the brain does this takes place and explain how this mechanism would enable you to localize a sound coming from your left side.
List, in order, the structures that must conduct a soundwave from the time it enters the auditory canal until itreaches the cochlea.
If a vibrating tuning fork is placed on the mastoid process, who would “hear” the sound—someone with normal hearing, someone with conduction deafness, or someone with sensorineural deafness? Circle all that apply.
Chapter 15 Solutions
ANAT.+PHYSIO.1-LAB.MAN. >CUSTOM<
Ch. 15.1 - Where are olfactory neurons located? Explain their...Ch. 15.1 - Describe the initiation of an action potential in...Ch. 15.1 - What is unique about olfactory neurons with...Ch. 15.1 - Where are the central olfactory cortex areas...Ch. 15.2 - Name and describe the four kinds of papillae on...Ch. 15.2 - Describe the structure of a taste bud.Ch. 15.2 - What are the five primary tastes? Describe how...Ch. 15.2 - Prob. 8AYPCh. 15.2 - How is the sense of taste related to the sense of...Ch. 15.3 - Prob. 10AYP
Ch. 15.3 - How do the conjunctiva,lacrimal apparatus, and...Ch. 15.3 - Prob. 12AYPCh. 15.3 - How does the pupil constrict? How does it dilate?Ch. 15.3 - Prob. 14AYPCh. 15.3 - Name the three chambers of the eye and the...Ch. 15.3 - Prob. 16AYPCh. 15.3 - Prob. 17AYPCh. 15.3 - Prob. 18AYPCh. 15.3 - Prob. 19AYPCh. 15.3 - Prob. 20AYPCh. 15.3 - Prob. 21AYPCh. 15.3 - Distinguish among myopia, hyperopia. and...Ch. 15.3 - Prob. 23AYPCh. 15.3 - Describe the changes that occur in a rod cell...Ch. 15.3 - Prob. 25AYPCh. 15.3 - Prob. 26AYPCh. 15.3 - Prob. 27AYPCh. 15.3 - Prob. 28AYPCh. 15.3 - Prob. 29AYPCh. 15.3 - Starting with the optic nerve, trace the action...Ch. 15.3 - Prob. 31AYPCh. 15.4 - Name the three regions of the ear, and list each...Ch. 15.4 - Describe the relationship among the tympanic...Ch. 15.4 - What are the functions of the external auditory...Ch. 15.4 - Explain how the membranous labyrinth of the...Ch. 15.4 - Describe the structure of the spiral organ.Ch. 15.4 - Explain the differences between inner and outer...Ch. 15.4 - Relate how tip links function.Ch. 15.4 - Prob. 39AYPCh. 15.4 - Contrast volume, pitch, and timbre.Ch. 15.4 - Starting with the auricle, trace a sound wave into...Ch. 15.4 - What is the importance of the sound attenuation...Ch. 15.4 - Prob. 43AYPCh. 15.4 - Describe the neuronal pathways for hearing, from...Ch. 15.4 - Prob. 45AYPCh. 15.4 - Prob. 46AYPCh. 15.4 - What is dynamic equilibrium? Whatstructures are...Ch. 15.4 - Prob. 48AYPCh. 15.4 - Prob. 49AYPCh. 15.5 - Prob. 50AYPCh. 15 - Which of these statements is not true with respect...Ch. 15 - Prob. 2RACCh. 15 - Which of these is not one of the basic tastes? a....Ch. 15 - Which of these types of papillae have no taste...Ch. 15 - Prob. 5RACCh. 15 - The ciliary body a. contains smooth muscles that...Ch. 15 - Prob. 7RACCh. 15 - Prob. 8RACCh. 15 - Prob. 9RACCh. 15 - Prob. 10RACCh. 15 - Prob. 11RACCh. 15 - Prob. 12RACCh. 15 - Prob. 13RACCh. 15 - In the retina cones that are most sensitive to a...Ch. 15 - Given these areas of the retina: (1) macula (2)...Ch. 15 - Prob. 16RACCh. 15 - Prob. 17RACCh. 15 - Which of these structures is found within or is...Ch. 15 - Prob. 19RACCh. 15 - Prob. 20RACCh. 15 - Prob. 21RACCh. 15 - Prob. 22RACCh. 15 - Prob. 23RACCh. 15 - Prob. 24RACCh. 15 - Damage to the semicircular canals affects the...Ch. 15 - Prob. 1CTCh. 15 - Perhaps you have heard that eating carrots is good...Ch. 15 - A man stares at a black clock on a white wall for...Ch. 15 - Prob. 4CTCh. 15 - Prob. 5CTCh. 15 - Prob. 6CTCh. 15 - Professional divers are subject to increased...Ch. 15 - If a vibrating tuning fork is placed against the...
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- Sound waves enter the external auditory canal and cause vibrations in structures and fluids of the ear. Identify in order the structures and fluids that vibrate in the pathway from the external auditory canal to the spiral organ ofCorti.arrow_forwardWayne is a 75-year-old retired teacher who comes to the physician’s office feeling quite upset. He tells Rebecca, the licensed practical nurse, that he does not know what is happening to him. When people speak to him their speech seems garbled, and lately he is having difficulty reading. After an examination, the physician tells him he has a conductive hearing loss because of accumulated cerumen. Explain the pathway of sound.arrow_forwardDefine and describe decussation and indicate the first level within the Central Auditory Nervous System that decussation occurs.arrow_forward
- Which taste sensations could be lost after damage to the facial nerve and (2) the glossopharyngeal nerve? Why? A fracture of which cranial bone would most likely eliminate the sense of smell? Whyarrow_forwardMatch following structures with their functionsarrow_forwardWayne is a 75-year-old retired teacher who comes to the physician’s office feeling quite upset. He tells Rebecca, the licensed practical nurse, that he does not know what is happening to him. When people speak to him their speech seems garbled, and lately he is having difficulty reading. After an examination, the physician tells him he has a conductive hearing loss because of accumulated cerumen. Describe other causes of conductive hearing loss.arrow_forward
- Person who has problem with hearing but has fully function eardrum and middle ear is intend to use cochlear implant as hearing aid which functionally to carry sounds from environment into ears and make them louder. Describe the common parts of hearing aid device.arrow_forwardWhen Maddie’s physician examines her ear, he explains to her parents that she has a perforated eardrum. Which of the following statements is NOT true? Maddie is at higher risk for ear infections due to the perforation. Maddie’s eardrum will likely heal on its own and she will not need surgery. A perforated “eardrum” means that there is a tear or hole in Maddie’s tympanic membrane. Maddie has sensorineural hearing loss due to the perforated eardrum.arrow_forwardWhy does the actual Auditory response produced by stimuli have to be detected by electrodes located on the scalp and the earsarrow_forward
- A 33-year-old, right-handed roller derby skater comes to you complaining of periodic attacks of tinnitus ("ringing" or "buzzing") in her left ear and vertigo (the sensation that she and her surroundings are moving relative to one another, when she is standing or sitting still). She says these attacks have been becoming more frequent over the past year or so and that now, between attacks, she feels as though she can't hear as well with her left ear as she can with her right. Your examination reveals that the auditory threshold is indeed elevated in her left ear, whether you use air conduction or bone conduction. You also notice that touching either cornea with a wisp of cotton causes her right eye to blink briskly and her left eye to blink somewhat sluggishly. Then you notice that she seems to have a somewhat asymmetrical smile: The right side of her face moves more than the left. Which of the following best accounts for this patient's list of problems? Damage to the left…arrow_forwardAuditory receptors, are known as hair cells in which of the following?A. In the auditory nerveB. Along the basilar membrane of the cochleaC. Between the incus and the stapesD. In the pinnaarrow_forwardSuccessful hearing depends on the proper functioning of three organs.arrow_forward
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