This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Head and neck, Subject name: Anatomy
Inferior thyroid aery arises from which of these vessels 
Select and explain. 
A. Thyrocervical trunk, B. Branchiocephalic trunk, C. Internal carotid aery, D. External carotid aery
A: Thyrocervical trunk
Answer: A: Thyrocervical trunk 
Explanation: Inferior thyroid aery is a branch of the thyrocervical trunk which arises from the subclan aery.Notes: It runs first upwards, then medially and finally downwards to reach the lower pole of the thyroid gland.Ref: BD Chaurasia; volume 3; 6th edition; pg 143