This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: ENT
Nasopharynx is lined by which epithelium ? 
Select and explain. 
A. Stratified squamous nonkerationized, B. Stratified squamous keratinized, C. Ciliated columnar, D. Cuboidal
C: Ciliated columnar
Answer: C: Ciliated columnar 
Explanation: Ans. is 'c' i.e., Ciliated columnar The two main types of epithelia lining the nasopharynx are stratified squamous (comprising approximately 60% of nasopharyngeal epithelium) and pseudostratified columnar respiratory epithelium containing ciliated cells, goblet cells and basal cells.