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
Ventricular muscle receives impulses directly from the 
Select and explain. 
A. Purkinje system, B. Bundle of HIS, C. Right and Left bundle branches, D. AV node
A: Purkinje system
Answer: A: Purkinje system 
Explanation: None