# The face and brain are first supplied by which of the following arteries?
a. Internal carotid artery.
b. External carotid artery.
c. Common carotid artery.
d. Stapedial artery.
The correct answer is A. Internal carotid artery.
The face and brain are first supplied by the internal carotid artery. The facial vessels form at 7 weeks and then detach from the internal carotid artery and attach to the external carotid artery. The face and brain are first supplied by the internal carotid artery, not by the common carotid artery. The face and brain are first supplied by the internal carotid artery, not by the stapedial artery.
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