This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Head and neck, Subject name: Anatomy
Chassaignac's tubercle lies at level of 
Select and explain. 
A. Erb's point, B. Stellate ganglion, C. Atlas, D. Odontoid process
A: Erb's point
Answer: A: Erb's point 
Explanation: The anterior tubercle of the transverse process of the sixth cervical veebra is the largest of all such processes and is called the carotid tubercle (of Chassaignac). The common carotid aery can be best pressed against I this tubercle, deep to the anterior border of the I sternocleidomastoid muscle. Ref: BD Chaurasia's HUMAN ANATOMY, Volume 3, 6th edition pg 300