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
A dendritic ulcer is caused by – 
Select and explain. 
A. Mycetoma, B. Herpes simplex, C. Staphylococcus, D. Pneumococcus
B: Herpes simplex
Answer: B: Herpes simplex 
Explanation: Dendritic ulcer is a typical lesion of HSV keratitis.