The pinna:

Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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The pinna:
Is one of three middle ear bones
O If damaged, its function can be restored by a hearing aid
All of the answers are true
Has vertical symmetrical convolutions
Which of the following is true regarding K+ ionic gradient in the inner ear?
It is highest in the perilymph of the scala tympani
It is maintained by the stria vascularis
Both transduction and somatic K+ channels favor K+ efflux when open
It is the same for all fluid-filled chambers of the cochlea
Transcribed Image Text:The pinna: Is one of three middle ear bones O If damaged, its function can be restored by a hearing aid All of the answers are true Has vertical symmetrical convolutions Which of the following is true regarding K+ ionic gradient in the inner ear? It is highest in the perilymph of the scala tympani It is maintained by the stria vascularis Both transduction and somatic K+ channels favor K+ efflux when open It is the same for all fluid-filled chambers of the cochlea
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