Elastic cartilage and a stratified squamous epithelium are found in which respiratory structure?
a. Bronchiole
b. Bronchus
c. Epiglottis
d. Nasal concha
e. Trachea
ANS: C
In order to resist friction and desiccation and to remain flexible, the "swinging door"-like struc-ture protecting the opening to the larynx must possess both a stratified squamous epithelium and elastic cartilage.
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