This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Inflammations of the Cornea, Subject name: Ophthalmology
Which organism can penetrate the intact Cornea? 
Select and explain. 
A. Gonococcus, B. Pseudomonas, C. Staphylococcus, D. Klebsiella
A: Gonococcus
Answer: A: Gonococcus 
Explanation: ANSWER: (A) GonococcusREF: Yanoff & Ducker- ophthalmology 2nd edition page 404Neonatal conjunctivitis causedby N. gonorrhoeae, a gram-negative diplococcus that canpenetrate an intact epithelium, has decreased significantly since the advent of prophylaxis. The clinical picture of gonococcal conjunctivitis consists of the development of hyperacute conjunctivitis 24- 48 hours after birth characterized by marked eyelid edema, profound chemosis, and excessive purulent discharge.