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: Anatomy
The vertebral artery 
Select and explain. 
A. Arises from the second part of subclavian artery , from behind scalenus anterior, B. Lies anterior to inferior thyroid artery, C. Passes through the C6 foramen transversarium, D. Passes anterior to the lateral mass of atlas and then enters the foramen magnum
C: Passes through the C6 foramen transversarium
Answer: C: Passes through the C6 foramen transversarium 
Explanation: The vertebral artery is a branch of first part of subclavian artery. It lies posterior to inferior thyroid artery. It passes posterior to lateral mass of atlas.