Arkansas Esthetician Practice Exam

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What covers the Epicranium?

Triangularis muscle
Corrugator muscle
A broad muscle
External maxillary artery

The correct answer is: A broad muscle

The epicranium refers to the entire scalp, which is covered by the broad muscle known as the Epicranius, also called the occipitofrontalis. The occipitofrontalis muscle is made up of two parts, the frontal belly and the occipital belly, which together cover the top of the head, forehead, and back of the skull. Option A, the triangularis muscle, is located in the lower face and has no connection to the scalp. Option B, the corrugator muscle, is a small facial muscle located between the eyebrows and also does not cover the entire scalp. Option D, the external maxillary artery, supplies blood to the face and has no relation to the covering of the scalp. Therefore, the only correct option is C, which correctly identifies the broad muscle that covers the epicranium.