This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General anatomy, Subject name: Anatomy
The following are lined with pseudostratified ciliated columnar epithelium except? 
Select and explain. 
A. Nasal cavity, B. Paranasal air sinuses, C. Vocal cords, D. Trachea
C: Vocal cords
Answer: C: Vocal cords 
Explanation: Vocal cords, due to constant friction, are lined with stratified squamous non-keratinized epithelium Pseudostratified ciliated columnar epithelium in the upper respiratory tract and trachea Non-ciliated pseudostratified columnar epithelia are located in the membranous pa of vas deferens Reference: Chaurasia; 6th edition.