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
Inferiohyroid aery is a branch ol? 
Select and explain. 
A. Thyrocervical trunk, B. ICA, C. Costocervical trunk, D. ECA
A: Thyrocervical trunk
Answer: A: Thyrocervical trunk 
Explanation: Ans. A. Thyrocervical trunkRef: Grays Anatomy,4Ia ed., pg. 455458Inferior thyroid aery is branch of thyrocervical trunk of subclan aery.The thyrocervical trunk arises fiom the front of the first pa of the subclan aery near the medial border of scalenus anterior, and divides into the inferior thyroid, suprascapular and superficial cervical aeries.