Arkansas Esthetician Practice Exam

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What supplies blood to the brain, eyes, and forehead?

Veins
Arteries
Internal carotid artery
Deltoid

The correct answer is: Internal carotid artery

The internal carotid artery is the correct answer because it specifically supplies blood to the brain, eyes, and forehead. This artery branches off from the common carotid artery, which is located on both sides of the neck, and ascends to the skull, where it bifurcates into the anterior and middle cerebral arteries. These branches are crucial for delivering oxygenated blood to the essential areas of the brain, as well as the eyes and forehead region. While arteries are responsible for carrying blood away from the heart to different parts of the body, only the internal carotid artery specifically targets the areas mentioned in the question. Veins, in contrast, return deoxygenated blood back to the heart and do not supply blood to the brain or other areas. The deltoid is a muscle in the shoulder, unrelated to the vascular supply of the brain or face. Therefore, the internal carotid artery is uniquely essential for supplying blood to the specified regions.