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
Inferior thyroid vein drains into? 
Select and explain. 
A. Internal jugular vein, B. Superior ven cava, C. Brachiocephalic vein, D. External jugular vein
C: Brachiocephalic vein
Answer: C: Brachiocephalic vein 
Explanation: Superior & middle thyroid veins drain into the internal jugular vein and the inferior thyroid vein drain into the brachiocephalic vein.