BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)
10th Edition
ISBN: 9781305967359
Author: STARR
Publisher: CENGAGE L
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Textbook Question
Chapter 30, Problem 7SA
The middle ear functions in _______.
| a. detecting shifts in body position b. amplifying and transmitting sound waves c. sorting sound waves out by frequency |
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The nerves for the sense of smell pass through thea. cribriform plate. d. optic canal.b. nasolacrimal canal. e. orbital fissure.c. internal auditory canal.
In the process of hearing, the basilar membrane vibrates. Which event occurs next? (a) tympanic membrane vibrates (b) bones in middle ear amplify and conduct vibrations (c) cochlear nerve transmits impulses to organ of Corti(d) hair cells in organ of Corti are stimulated (e) vibrations are conducted to chemoreceptors
1) The base plate of the stapes _____.
A) transmits sound vibrations from the tympanic membrane to the ear ossicles
B) is located in the inner ear and has hair cells with stereocilia and kinocilia attached to it
C) covers the round window to the inner ear
D) vibrates in the oval window to create waves in the inner ear
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- Which of these is NOT a component of the middle ear? a. tympanic membrane b. eustachian (auditory) tube ¢ malleus, incus, stapes d. nasopharynx e. tympanic cavityarrow_forwardRegarding the eye's adaptation to darkness: a) then it happens faster than the eye's light adaptation b) so the pupils contract c) then the amount of rhodopsin increases d) No answer text provided.arrow_forwardThe middle ear converts(A) air pressure waves to fluid pressure waves.(B) air pressure waves to nerve impulses.(C) fluid pressure waves to nerve impulses.(D) pressure waves to hair cell movements.arrow_forward
- The is the region of the eye that controls the amount of light that enters.a. cornea b. pupil c. lensd. fovea e. retinaarrow_forwardCochlear implants are devices that can be used to restore hearing in some individuals. The implant stimulates the cochlearnerve through electrical impulses. Why are cochlear implants not ideal for all types of hearing loss?arrow_forwardWhat is the major cause of noise induced hearing loss? a. The neurotransmitter released by inner hair cells becomes depleted. b. K+ ions move into the inner hair cells during transduction. c. All of the answers. d. The tympanic membrane becomes stiff and is unable to vibrate. e. The hair cell stereocilia can no longer function.arrow_forward
- The shape of the external ear is due toa. skeletal muscle.b. elastic cartilage.c. fibrocartilage.d. articular cartilage.e. hyaline cartilage.arrow_forwardWhy is it easier to see images at night using peripheral, rather than the central, vision? a. Cones are denser in the periphery of the retina. b. Bipolar cells are denser in the periphery of the retina. c. Rods are denser in the periphery of the retina. d. The optic nerve exits at the periphery of the retina.arrow_forwardAs humans age, there is a decrease in the A highest frequencies that we are able to hear. B highest amplitudes that we are able to hear. C ability to hear low frequency sounds. D ability to hear high amplitude sounds.arrow_forward
- The purpose of the auditory ossicles is to ________________ incoming pressure waves. a) increase the power of b) reduce the intensity of c) move with d) change the wavelength ofarrow_forwardCone pigments detect different wavelengths of light due toa. their location in the retina.b. the amount of light they absorb.c. the type of retinal they have.d. the type of opsin protein they have.e. interactions with bipolar cells.arrow_forwardThe function of the auditory tube is to .a. equalize air pressure on both sides of the eardrumb. transmit sound vibrations to the eardrumc. contain the hearing receptorsd. connect the earsarrow_forward
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