Human Anatomy
9th Edition
ISBN: 9780135168059
Author: Marieb, Elaine Nicpon, Brady, Patricia, Mallatt, Jon
Publisher: Pearson Education, Inc.,
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Textbook Question
Chapter 16, Problem 21RQ
(a) What is the difference, if any, between a semicircular canal and semicircular duct? Between the cochlea and cochlear duct? (b) Name the three parts of the membranous labyrinth of the internal ear. Which of these parts is for hearing, and which are for balance?
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(a) choose one part of the auditory conductive mechanism--the outer ear or middle ear--and describe how sound is transduced (changed from acoustic energy to mechanical energy) through that part of the auditory system, and
(b) comment on how the anatomy of that part of the ear enables normal auditory conductive physiology.
Which of the following statements concerning the inner ear is TRUE?
Question 3 options:
a)
The bony labyrinth within the tempoal bone contains spaces for the semicircular canals and the cochlea.
b)
The fibers of the cochlear nerve are attached to hair cells in the semicircular canals to carry information about movements of the head.
c)
The frequency of sound waves as defined by their wavelengths are perceived as pitch and are measured in decibels (dB).
d)
The saccule and utricle are critical sensory receptors for interpreting language, distinct from other sounds.
(a) What is the difference, if any, between a semicircular canal and semicircular duct? Between the cochlea and cochlear duct? (b) Name the three parts of the membranous labyrinth of the internal ear. Which of these parts is for hearing, and which are for balance?
Chapter 16 Solutions
Human Anatomy
Ch. 16 - Prob. 1CYUCh. 16 - What type of cell are the olfactory receptors?...Ch. 16 - Prob. 3CYUCh. 16 - What muscle is not functioning in a person whose...Ch. 16 - Prob. 5CYUCh. 16 - Prob. 6CYUCh. 16 - Prob. 7CYUCh. 16 - Prob. 8CYUCh. 16 - Prob. 9CYUCh. 16 - Prob. 10CYU
Ch. 16 - Prob. 11CYUCh. 16 - Prob. 12CYUCh. 16 - Prob. 13CYUCh. 16 - Which auditory ossicle abuts the tympanic...Ch. 16 - Prob. 15CYUCh. 16 - Prob. 16CYUCh. 16 - Prob. 17CYUCh. 16 - Prob. 18CYUCh. 16 - What type of deafness results from damage to the...Ch. 16 - Prob. 20CYUCh. 16 - What brain regions receive input from the...Ch. 16 - Prob. 1RQCh. 16 - Prob. 2RQCh. 16 - The transmission of sound vibrations through the...Ch. 16 - Of the neurons in the retina, which form the optic...Ch. 16 - Blocking the scleral venous sinus might result in...Ch. 16 - Conduction of sound from the middle ear to the...Ch. 16 - The structure that allows the air pressure in the...Ch. 16 - The receptors for static equilibrium that report...Ch. 16 - Paralysis of a medial rectus muscle would affect...Ch. 16 - Prob. 10RQCh. 16 - The optic disc is the site where (a) more rods...Ch. 16 - Prob. 12RQCh. 16 - Prob. 13RQCh. 16 - (a) What is the precise location of the olfactory...Ch. 16 - Prob. 15RQCh. 16 - Name two special senses whose receptor cells are...Ch. 16 - (a) Describe the embryonic derivation of the...Ch. 16 - Prob. 18RQCh. 16 - Prob. 19RQCh. 16 - Compare and contrast the functions of the interior...Ch. 16 - (a) What is the difference, if any, between a...Ch. 16 - Prob. 22RQCh. 16 - Prob. 1CRCAQCh. 16 - Prob. 2CRCAQCh. 16 - Dr. Nakvarati used an instrument to blow a puff of...Ch. 16 - Lionel suffered a ruptured artery in his middle...Ch. 16 - Prob. 5CRCAQCh. 16 - Prob. 6CRCAQCh. 16 - Prob. 7CRCAQ
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- a) choose one part of the auditory sensorineural mechanism--the inner ear or retrocochlear auditory pathway--and describe how sound is transduced through that part of the auditory system, and (b) comment on how the anatomy of that part of the ear enables normal auditory sensorineural physiology.arrow_forwardConduction of sound from the middle ear to the internal ear occurs via vibration of the (a) malleus against the tympanic membrane, (b) stapes in the oval window, (c) incus in the round window, (d) tympanic membrane against the stapes.arrow_forwardThe malleus, incus, and stapes are the tiny ear bones located in the, (a) external ear. (b) middle ear. (c) internal ear. (d) membranous labyrinth.arrow_forward
- 1) The maculae of the utricle and saccule with their embedded otoliths and the semicircular canals _______. A) detect changes in the rate at which the head is moving B) determine what direction a sounds are coming from C) amplify soft sounds to improve hearing D) can only detect motion if the head moves at a constant velocityarrow_forwarda) Consider a patient who has been exposed to an ototoxic drug that has caused the death of the outer hair cells in the cochlea but has left the inner hair cells unaffected. What sort of hearing loss is the person likely to experience and what sort of hearing device could assist them? Explain the reasons for your answer based upon how the inner ear functions. b) Consider a person who has a partial loss of myelin in their auditory nerve. What effect would the loss of myelin have upon the ability of this person to perceive speech and would either a hearing aid or cochlear implant provide any benefit to their hearing ability? Explain the reasons for your answer based upon how the inner ear and auditory pathway function. I c) Explain the difference in information that can be provided by a cochlear implant consisting of a single electrode compared to a cochlear implant with many electrodes. What type of neural code is provided in each case? What type of musical sounds could be well…arrow_forwardWhich of the following is not part of the auditory ossicles in the middle ear? a) No answer text provided. b) incus (the city) c) malleus (hammaren) d) stapedius (the step)arrow_forward
- the sound of a vibrating tuning fork is perceived longer when the stern of the fork is placed against the mastoid process of the temporal bone than when the lines are placed near the patient's ear. This finding is compatible with damage to which of the following structures ? A) cochlea B) cochlear nucleus C) ossicles D) primary auditory cortex E) vestibulocochlear nervearrow_forwardDescribe the anatomy of the ear. What is the function of each of these anatomical structures? (there are 3 structures) Provide real life examples of what the strutures do.arrow_forwardwhat part of the external ear allows sound to enter the ear?arrow_forward
- 1.) The middle ear chamber is an air-filled “hole in the head”, which is adapted to allow free movement of the tympanum as it vibrates. Unless the pressure in the chamber is equal to atmospheric pressure outside, the tympanum will be stretched outward or inward, impeding its vibration and causing discomfort or pain. When moving up in the elevator of a tall building, the surrounding atmospheric pressure is: a) increasing causing air to enter the middle ear chamber through the Eustachian tube. B.) increasing causing air to enter the middle ear chamber through the auditory canal C.)decreasing causing air to leave the middle chamber through the Eustachian tube D.) decreasing causing air to leave the middle ear chamber through the auditory canalarrow_forwardApart from the bony boundaries, which structure separates the external from the middle ear? Which two (nonbone) structures separate the middle from the inner ear?arrow_forwardWhat are the specific functions of the middle ear?arrow_forward
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