This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Head & Neck Infections, Subject name: ENT
Nodes of Rouvier - 
Select and explain. 
A. Retropharyngeal node, B. Parapharyngeal node, C. Adenoids, D. None
A: Retropharyngeal node
Answer: A: Retropharyngeal node 
Explanation: Ans. is 'a' i.e., Retropharyngeal node o Retropharyngeal nodes are divided into medial and lateral groups,o Most superior node of the lateral group is called the node of Rouviere.Also knowo Krause 's node Lymph nodes situated at the jugular foramen.