Facial And Neck Muscles

The Buccinator muscle originates from the alveolar process of the maxilla and mandible, blends into fibers of the Obicularis Oris, and its action is to compress the cheeks. It is primarily responsible for aiding in activities such as blowing and sucking.

The Digastric muscle is a unique muscle involved in various movements such as opening the mouth, elevating the larynx, and depressing the mandible. Its insertion inside the Mandible at the cheek and origin from the Hyoid bone highlight its specific functions.

The Frontalis muscle is responsible for raising the eyebrows and wrinkling the forehead. It inserts into the galea aponeurotica and the skin around the eyebrows and nose, with its origin being the galea aponeurotica. The incorrect answers provided pertain to muscles with different functions and insertion points.

The Genioglossus muscle originates from the mandible around the chin and the hyoid bone. Its action is to depress and protract the tongue.

The Geniohyoid muscle originates from the Mandible of the Chin, inserts into the Hyoid bone, and its actions include opening the mouth, elevating the larynx, and retracting the hyoid bone.

The Hyoglossus muscle is responsible for depressing and retracting the tongue by originating from the hyoid bone and inserting on the side of the tongue. The incorrect answers provided give details of other tongue muscles with different insertion, origin, and actions.

The Depressor Labii Inferioris muscle is responsible for depressing the lower lip by inserting into the mandible and originating at the lower mandible. The other options describe muscles with different actions and origins, making them incorrect.

The Levator Labii Superius muscle inserts into the Inferior margin of the orbit, originates from the Obicularis oris, and is responsible for elevating the upper lip.

The correct answer states that the Masseter muscle inserts on the Zygomatic Arch, originates at the lateral surface and angle of mandibular ramus, and its action is to elevate the mandible and close the jaw. The incorrect answers provide insertion, origin, and action of other muscles in the body, showcasing the importance of precise anatomical knowledge.

The Mentalis muscle is responsible for elevating and wrinkling the skin of the chin, as well as protruding the lower lip. It inserts on the incisive fossa on the anterior aspect of the mandible, with its origin on the skin of the chin.

The Mylohyoid muscle originates from the Mylohyoid line of the mandible, inserts into the connective tissue that runs to the hyoid bone, and its action involves elevating the floor of the mouth, hyoid bone, and depressing the mandible.

The correct answer provides information about the specific muscle Obicularious Oris and its insertion, origin, and action. The incorrect answers refer to other facial muscles with different characteristics to distinguish them from Obicularious Oris.

The correct answer details the insertion of the Occipitalis muscle at the Superior Nuchal line and its origin at the Epicranial aponeurosis. The action described is the tensing and retracting of the scalp. The incorrect answers provide different muscle names, origins, insertions, and actions that do not match the Occipitalis muscle.

The correct answer describes the insertion, origin, and action of the Omohyoid muscle. Incorrect answers are provided to assess knowledge of other neck muscles and their functions.

The Obicularis Occuli muscle is responsible for closing the eye and is located around the eyelids. Its insertion is on the Margin of the eyelids.

The Pharyngeal Constrictor muscle inserts at the Median Raphe and its action involves constricting the pharynx to aid in swallowing and speech production.

Platysma is a muscle that originates from the fascia of the superior thorax, inserts into the mandible and skin of the cheek or chin, and its action is to tense the skin of the neck and depress the mandible.

The Risorius muscle is a facial muscle that originates from the fascia surrounding the salivary gland, inserts at the angle of the mouth, and helps draw the corners of the mouth to the sides. Incorrect answers provided examples of other facial muscles with different origins, insertions, and actions.

The correct answer provides the accurate insertion (clavical and manubrium), origin (mastoid region of skull and superior nuchal lines), and action (flex the neck, bend neck towards shoulders, turn face to opposite sides) of Sternocleidomastoid muscle.

The Sternohyoid muscle originates from the Clavicle and Manubrium, inserts on the Hyoid bone, and its action is to depress the Hyoid bone and Larynx.

The correct answer provides specific details about the Sternothyroid muscle, including its insertion, origin, and action. The incorrect answers are meant to test the knowledge of the test taker by including elements of other muscles or actions that may sound similar but do not match the description of the Sternothyroid muscle as provided in the correct answer.

The correct answer describes the insertion of Stylohyoid as the styloid process of the temporal bone, its origin as the hyoid bone, and its action as elevating the larynx.

The Temporalis muscle originates from the temporal fossa, inserts into the coronoid process of the mandible, and its action is to elevate the mandible and close the jaw.

The correct answer involves the thyrohyoid muscle inserting into the thyroid cartilage of the larynx and the hyoid bone. Its action is to elevate the larynx and depress the hyoid bone.

The zygomaticus muscle is responsible for retracting and elevating the corner of the mouth and upper lip by connecting to the zygomatic bone.