Muscles And Nerve Innervation Of Facial Expression

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Quizzes Created: 2 | Total Attempts: 2,858
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  • 1/10 Questions

    This muscle presses the cheek against the teeth (facial nerve VII):

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About This Quiz

This short quiz includes muscles and innervation of facial expression and is designed to aide in the development and training of physical therapists assistants in training. All answers that are fill in the blank should be typed in lowercase.

Muscles And Nerve Innervation Of Facial Expression - Quiz

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  • 2. 

    This muscle closes the lips and can also protrude the lips (Facial nerve VII):

    Explanation
    The orbicularis oris muscle is responsible for closing the lips and also has the ability to protrude the lips. It is controlled by the facial nerve VII.

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  • 3. 

    This muscle elevates the eyebrows and wrinkles the forehead (Facial Nerve VII):

    Explanation
    The muscle that elevates the eyebrows and wrinkles the forehead is called the frontalis. It is innervated by the Facial Nerve VII. This muscle is responsible for various facial expressions, such as surprise or concern, by raising the eyebrows and creating wrinkles on the forehead.

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  • 4. 

    A sphincter muscle that closes the eyelid (Facial Nerve VII):

    Explanation
    The orbicularis oculi is a sphincter muscle that is responsible for closing the eyelid. It is innervated by the Facial Nerve VII. When this muscle contracts, it causes the eyelid to close, protecting the eye from external stimuli such as dust or bright light.

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  • 5. 

    This muscle raises and protrudes the upper lip (Facial VII):

    Explanation
    The muscle that raises and protrudes the upper lip is called the levator labii superioris. This muscle is part of the facial VII nerve, which controls the muscles of facial expression. When this muscle contracts, it lifts the upper lip, creating a smiling or snarling expression.

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  • 6. 

    This muscle draws the angle of the mouth up & back, "laughing"(Facial Nerve VII):

    Explanation
    The zygomaticus major muscle is responsible for drawing the angle of the mouth up and back, which is commonly associated with the action of laughing. This muscle is innervated by the Facial Nerve VII.

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  • 7. 

    This muscle works in conjunction with the platysma in that in assists in depressing the lower lip (Facial Nerve VII):

    Explanation
    The depressor labii inferioris is a muscle that works together with the platysma to depress the lower lip. It is innervated by the Facial Nerve VII.

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  • 8. 

    This muscle assists the frontalis muscles wrinkling the forehead (Facial Nerve VII):

    Explanation
    The occipitalis muscle is responsible for assisting the frontalis muscle in wrinkling the forehead. The occipitalis muscle is located at the back of the head and is connected to the frontalis muscle through a fibrous tissue called the galea aponeurotica. When the occipitalis muscle contracts, it helps to pull the galea aponeurotica, which in turn causes the frontalis muscle to contract and create wrinkles on the forehead. This muscle is innervated by the Facial Nerve VII.

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  • 9. 

    This muscle raises the upper eyelid (Oculomotor III):

    Explanation
    The muscle that raises the upper eyelid is called the levator palpebrae superioris. This muscle is innervated by the oculomotor nerve (cranial nerve III). When this muscle contracts, it lifts the upper eyelid, allowing for better vision and opening of the eye.

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  • 10. 

    This muscle draws the lower lip & corner of the mouth inferiolaterally (Facial Nerve VII):

    Explanation
    The platysma muscle is responsible for drawing the lower lip and corner of the mouth inferiolaterally. It is innervated by the Facial Nerve VII.

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  • Current Version
  • May 23, 2024
    Quiz Edited by
    ProProfs Editorial Team
  • May 22, 2010
    Quiz Created by
    Huffinestim
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