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: Physiology
GER increases if - 
Select and explain. 
A. Efferent aeriole constricts, B. Efferent aeriole dilates, C. Afferent aeriole constricts, D. Afferent aeriole dilates
D: Afferent aeriole dilates
Answer: D: Afferent aeriole dilates 
Explanation: D i.e., Afferent aeriole dilates