This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Inflammations of Conjunctiva - Infective, Subject name: Ophthalmology
Most common conjunctivitis in newborn - 
Select and explain. 
A. Gonococcal, B. Staphylococcal, C. Streptococcal, D. Pneumococcal
A: Gonococcal
Answer: A: Gonococcal 
Explanation: Ans. is 'a' i.e., Gonococcal Ophthalmia neonatorum:o Ophthalmia neonatorum, also called neonatal conjunctivitis, is the conjunctivitis in the first month of life. Infection may be acquired during birth from infected birth canal (most common) or after birtho The causative agents are: -i) Common organisms are:- Gonococcus, C. trachomatis, Herpes simplex virus. Other organisms are: - Staphylococcus aureus, pneumococcus, Streptococcus, Pseudomonas, Serratia, Klebsiella.ii) Chemical conjunctivitis :- Caused by use of silver nitrate or antibiotic prophylaxis.Clinical features:o Clinical features depend upon the type of ophthalmia neonatorum :i) Infective ophthalmia neonatorum: - Pain, tenderness, purulent or mucopurulent discharge, swollen lids, chemosis & conjunctival hyperaemia.ii) Chemical ophthalmia neonatorum: - Watery discharge, minimal or no edema or chemosis, self limited course of to 2 days postpartum.