This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Conjunctiva, Subject name: Ophthalmology
Conjunctival epithelium is - 
Select and explain. 
A. Pseudostratified, B. Stratifield columnar, C. Stratifield non keratinized squamous, D. Transitional
C: Stratifield non keratinized squamous
Answer: C: Stratifield non keratinized squamous 
Explanation: Epithelium. The layer of epithelial cells in conjunctiva varies from region to region and in its different pas as follows:  Marginal conjunctiva has 5-layered stratified squamous type of epithelium.  Tarsal conjunctiva has 2-layered epithelium: superficial layer of cylindrical cells and a deep layer of flat cells.  Fornix and bulbar conjunctiva have 3-layered epithelium: a superficial layer of cylindrical cells, middle layer of polyhedral cells and a deep layer of cuboidal cells.  Limbal conjunctiva has again many layered (5 to 6) stratified squamous epithelium. REF : AK KHURANA COMPREHENSIVE OPHTALMOLOGY,E4,Page-52