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 artery is a branch of : 
Select and explain. 
A. Internal thoracic artery, B. Thyrocervical trunk, C. Dorsal scapular artery, D. Costocervical trunk
B: Thyrocervical trunk
Answer: B: Thyrocervical trunk 
Explanation: Thyrocervical trunk is a short, wide vessel which arises from the front of the first part of the subclavian artery, close to the medial border of the scalenus anterior, and between the phrenic and vagus nerves. It almost immediately divides into the inferior thyroid, suprascapular and transverse cervical arteries.