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Ohio Esthetics State Board Practice Exam

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Which muscle is known as the Ring Muscle of the eye socket?
Correct Answer:
Orbicularis Oculi
Explanation:
The ring muscle around the eye opening is the orbicularis oculi. This circular muscle forms a belt around the eye socket and is responsible for closing the eyelids. It has two parts: the orbital portion, which tightly closes the eyes, and the palpebral portion, which handles gentle blinking. In esthetics, this muscle is key to expressions like squinting and blinking. The other muscles listed don’t encircle the eye. The muscle that elevates the upper lip, the one that lowers the lower lip, and the muscle that wrinkles the chin all act on the lips or chin, not around the eye. So the orbicularis oculi best fits the description of the ring muscle of the eye socket.

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