Facial Muscles Anatomy Quiz

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Questions and Answers

What muscle(s) is/are responsible for pulling the lateral wing of the nose downward?

  • Nasal (correct)
  • Orbicularis oris
  • Procer
  • Levator labii superioris

Which muscle is primarily involved in the action of compressing the cheek against the teeth?

  • Zygomaticus major
  • Levator anguli oris
  • Buccinator (correct)
  • Depressor anguli oris

Which of the following muscles is responsible for lowering the lower lip?

  • Depressor labii inferioris (correct)
  • Levator labii superioris
  • Platysma
  • Mentalis

What is the action of the Procer muscle?

<p>Pulls the skin up over the bridge of the nose (B)</p> Signup and view all the answers

Which muscle is capable of lowering the mandible (if resistance is present)?

<p>Platysma (C)</p> Signup and view all the answers

Which of the following muscles is NOT directly involved in manipulating the corner of the mouth?

<p>Zygomaticus minor (B)</p> Signup and view all the answers

What is the insertion point of the Depressor labii inferioris muscle?

<p>Lower lip skin (C)</p> Signup and view all the answers

Which muscle contributes to the tightening of the neck and lower face, conveying stress?

<p>Platysma (B)</p> Signup and view all the answers

The Orbicularis oris is essential for which of the following functions?

<p>Speech (A)</p> Signup and view all the answers

What are the branches of the facial nerve (CN VII) that innervate the muscles of the face? Select ALL correct options.

<p>Zygomatic (A), Cervical (B), Posterior Auricular (C), Mandibular (D), Temporal (E), Buccal (F)</p> Signup and view all the answers

Which muscle, primarily located in the upper part of the head, is responsible for pulling the scalp backward?

<p>Occipital Belly (D)</p> Signup and view all the answers

Which muscle group, located around the eyes, is responsible for both smooth and tight closure of the eyelids?

<p>Orbicularis Oculi (B)</p> Signup and view all the answers

What action does the Corrugator Supercilii perform, resulting in the expression of concern?

<p>Moves the eyebrows medially and downward, creating vertical wrinkles above the nose (A)</p> Signup and view all the answers

Which muscle, along with the Frontal Belly, works together to control the movements of the scalp?

<p>Occipital Belly (C)</p> Signup and view all the answers

Which of the following is NOT a primary action of the Occipitofrontal muscle?

<p>Pulls the scalp backward (A)</p> Signup and view all the answers

Flashcards

Procer

Muscle that pulls skin up over the nose expressing disdain.

Nasal Muscle

Muscle that widens the nasal opening and raises upper lip.

Orbicularis Oris

Circular muscle that closes and protrudes the lips.

Levator Labii Superioris

Elevates the upper lip.

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Buccinator

Compresses cheek against teeth; helps keep food in place.

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Levator Anguli Oris

Lifts the corner of the mouth.

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Depressor Anguli Oris

Lowers the corner of the mouth.

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Depressor Labii Inferioris

Lowers the lower lip.

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Mentalis

Muscle that raises the chin skin.

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Platysma

Muscle that lowers mandible and conveys stress.

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Occipitofrontal Muscle

Muscle that elevates eyebrows and wrinkles forehead; pulls scalp forward.

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Frontal Belly

Part of the occipitofrontal muscle that pulls the scalp backward.

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Orbicularis Oculi

Muscle that closes eyelids; involved in blinking.

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Corrugator Supercilii

Muscle that moves eyebrows medially and downward; creates vertical wrinkles above nose.

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Aponeurosis Epicraneal

Sheet-like tissue connecting occipitofrontal muscle's two bellies.

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