Surgery>>>>>Thyroid, Parathyroid, and Adrenal
Question 3#

The arterial supply of the thyroid arises from which of the following vessels?

A. The aorta
B. The external carotid arteries
C. The thyrocervical trunk
D. All of the above

Correct Answer is D


The superior thyroid arteries arise from the external carotid arteries, and the inferior thyroid arteries arise from the thyrocervical trunk shortly after their origin from the subclavian arteries. A thyroid ima artery arises directly from the aorta or innominate artery in 1 to 4% of cases.