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
Carotid sinus/baroreceptor is located at the origin of 
Select and explain. 
A. Common carotid artery, B. Internal carotid artery, C. Aorta, D. External carotid artery
B: Internal carotid artery
Answer: B: Internal carotid artery 
Explanation: None