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
Right atrial distension leaading to increased heart rate occurs in 
Select and explain. 
A. Bezold Jarisch reflex, B. Bain bridge reflex, C. J reflex, D. None of the above
A: Bezold Jarisch reflex
Answer: A: Bezold Jarisch reflex 
Explanation: None