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: Ophthalmology
Which of the following is true of dendritic ulcer: 
Select and explain. 
A. Caused by Herpes simplex virus, B. Topical coicosteroid given suppresses the symptoms, C. Oral acyclovir is effective in treatment, D. All
A: Caused by Herpes simplex virus
Answer: A: Caused by Herpes simplex virus 
Explanation: A i.e. Caused by herpes simplex virus