If a person had sensorineural deafness, why would a bone-vibrating hearing aid be useless?
What will be an ideal response?
Sensorineural deafness is due to damaged hair cells, not to sound conduction problems. A bone-vibrating hearing aid would work best for conduction deafness.
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Deep ocean organisms expend little energy to stay afloat because
a. they have air bladders. b. they have a high oil content. c. of their small size. d. they are the same density as the surrounding environment. e. their metabolism is high.
"K" is the elemental symbol for
A. copper. B. potassium. C. krypton. D. nickel. E. phosphorus.
Axons of the optic nerve end in
a. Broca's area. b. Wernicke's area. c. the precentral gyrus. d. the lateral geniculate nucleus. e. the postcentral gyrus.
Buffers ________.
a) will only lower the pH b) will only increase the pH c) are strong acids or bases d) help keep the pH within normal limits