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
In diagnosis of retinitis pigmentosa ERG is: 
Select and explain. 
A. More sensitive than the EOG, B. Less sensitive than the EOG, C. Equally sensitive as EOG, D. None of the above
B: Less sensitive than the EOG
Answer: B: Less sensitive than the EOG 
Explanation: Ans. Less sensitive than the EOG