Nonkeratinized stratified squamous epithelium can be found lining what area of the respiratory tract? alveoli nasal cavity bronchioles trachea oropharynx

The answer is oropharynx. The reason for this type of epithelium in this region of the respiratory tract is due to its proximity to the esophagus. This means that this region of the respiratory tract is subject to abrasion by food passing down the esophagus. This epithelium is continuous with that of the esophagus.