Essentials of Human Anatomy & Physiology (12th Edition)
12th Edition
ISBN: 9780134395326
Author: Elaine N. Marieb, Suzanne M. Keller
Publisher: PEARSON
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Textbook Question
Chapter 8, Problem 9MC
Movement of the ______ membrane triggers bending of hairs of the hair cells in the spiral organ of Corti.
a. tympanic
b. tectorial
c. basilar
d. vestibular
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Chapter 8 Solutions
Essentials of Human Anatomy & Physiology (12th Edition)
Ch. 8 - Prob. 1MCCh. 8 - Alkaloids excite gustatory hairs mostly at the a....Ch. 8 - Prob. 3MCCh. 8 - Which cranial nerve controls contraction of the...Ch. 8 - The cornea is nourished by a. corneal blood...Ch. 8 - When the eye focuses for far vision, a. the lens...Ch. 8 - Convergence a. requires contraction of the medial...Ch. 8 - 8. Which of the following are paired...Ch. 8 - Movement of the ______ membrane triggers bending...Ch. 8 - 10. Sounds entering the external acoustic meatus...
Ch. 8 - Prob. 11SAECh. 8 - Prob. 12SAECh. 8 - 13. Diagram and label the internal structures of...Ch. 8 - Prob. 14SAECh. 8 - Prob. 15SAECh. 8 - 16. What is the blind spot, and why is it so...Ch. 8 - What name is given to the structure that controls...Ch. 8 - What is the fovea centralis, and why is it...Ch. 8 - 19. Trace the pathway of light from the time it...Ch. 8 - Prob. 20SAECh. 8 - 21. Define hyperopia, myopia, and emmetropia.
Ch. 8 - Prob. 22SAECh. 8 - Prob. 23SAECh. 8 - Prob. 24SAECh. 8 - Many students struggling through mountains of...Ch. 8 - Prob. 26SAECh. 8 - Prob. 27SAECh. 8 - Prob. 28SAECh. 8 - Prob. 29SAECh. 8 - Prob. 30SAECh. 8 - Prob. 31SAECh. 8 - Prob. 32SAECh. 8 - Prob. 33SAECh. 8 - Which special sense requires the most learning?Ch. 8 - 35. For each of the following descriptions,...Ch. 8 - An engineering student has been working in...Ch. 8 - Prob. 37CTCh. 8 - Prob. 38CTCh. 8 - Brandon suffered a ruptured artery in his middle...Ch. 8 - Prob. 40CTCh. 8 - Prob. 41CTCh. 8 - 42. Julie and her father love to find the...Ch. 8 - Prob. 43CTCh. 8 - 44. Mrs. Garson has an immune disorder that causes...Ch. 8 - Prob. 45CTCh. 8 - Explain the role of vitamin A in vision.
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- Knowing what you know about the anatomy of the eyeball, why do you suppose untreated glaucoma (excess aqueous humor production) causes blindness? Group of answer choices a. The excess aqueous humor compresses the optic nerve b. Intraocular pressure increases and the vitreous body presses against the lens c. The fluid accumulation causes the choroid to separate from the sclera d. The buildup of aqueous humor causes the vitreous body to press against the retina and disrupt its blood supply leading to cell death e. Aqueous humor is not reabsorbed as quickly as it is producedarrow_forwardLight resets the biological clock by a branch of the optic nerve, beginning with _____ and sending the input to _________. a. rods . . . the SCN b. cones . . . the SCN c. a mixture of rods and cones . . . the visual cortex d. ganglion cells that do not require input from rods or cones . . . the SCNarrow_forwardVibrations of the stapes are transferred to the _________ window, waves displace the ___________ window at the base of the cochlea. Group of answer choices A. Tympanic, oval B. Round, oval C. Round, tympanic D. Oval, roundarrow_forward
- The motion of the organ of Corti causes the outer hair cells to bend because the outer hair cells are embedded in the A scala vestibule. B scala tympani. C tectorial membrane. D cochlear partition.arrow_forwardChoose the structure that applies to each statement. More than one structure may apply to a statement, and a structure may be used more than once. a. basilar membrane f. hair cells k. spiral organ of Corti b. cochlear duct g. macula l. supporting cells c. crista h. otolithic membrane m. tectorial membrane d. cupula i. scala tympani n. vestibular membrane e. hair bundle j. scala vestibuli 1. receptor for hearing 2. receptor(s) that contain(s) hair bundles, hair cells, and supporting cells 3. components of macula 4. membrane separating the superior chamber of cochlea from cochlear duct 5. structure(s) that bend(s) stereocilia of hair cells 6. spiral organ of Corti sits on this membrane 7. equilibrium receptors 8. contains endolymph 9. contains perilymph 10. equilibrium receptor found within ampullae of semicircular canalsarrow_forwardThe cochlea is________ A. involved in the maintenance of body temperature. B. part of the organ of Corti. C. a fluid-filled canal. D. a coiled structure found in the inner ear.arrow_forward
- Which of the following is accurate about the maculae of the vestibular apparatus? a. They detect rotational movements of the head. b. They are located in the semicircular canal. c. Nerve signals are generated when the otolithic membrane bends the stereocilia of the hair cells. d. They are the organs of hearing.arrow_forwardOlfactory sensory neurons have olfactory ______ that extend outward from the epithelium for conveying impulses in sensation of smell. A. papillae B. supporting cells C. olfactory epithelium D. cilia What chemicals would elicit the bitter taste sensation? A. alkaloids B. metal ions C. hydorgen ions D. glutamate Sound waves that enter the external auditory meatus will encounter the ______, which vibrates at exactly the same frequency as the sound waves hitting it? A. ceruminous glands B. tympanic membrane C. auricle D. scala tympaniarrow_forwardIn the______ , neurons are arranged like maps that correspond to different parts of the body surface. a. retina c. basilar membrane b. somatosensory cortex d. occipital lobearrow_forward
- Involved in the transmission and processing of sound for hearing to take place A. Organ of Corti B. Vestibule C. Semicircular canals D. A, B E. A, B, Carrow_forwardCanvas Tectorial membrane Stereocilia Inner hair cell Outer hair cell Supporting cells Sensory and motor fibers in ochlea vestibulocochlear (VIII) nerve Cells lining scala tympani Basilar membrane (d) Enlargement of spiral organ (organ of Corti) 21. Where is the structure above located? a. Semicircular canals b. Vestibule C. Utricle d. Cochlea 21arrow_forwardAfter surgery to restore vision, patients who had been blindfrom birth had difficultya. recognizing objects by touch.b. recognizing objects by sight.c. distinguishing figure from ground.d. distinguishing between bright and dim light.arrow_forward
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