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
Parathyroid glands are supplied by which artery- 
Select and explain. 
A. Common carotid, B. Superior thyroid, C. Middle thyroid, D. Inferior thyroid
D: Inferior thyroid
Answer: D: Inferior thyroid 
Explanation: Each parathyroid receives blood supply from inferior thyroid artery, and also from the anastomosis between superior and inferior thyroid arteries.