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5 Written questions

5 Matching questions

  1. Orbicularis oris
  2. Buccinator
  3. Depressor labii inferioris
  4. Procerus
  5. Risorius
  1. a Draws angles of the mouth laterally; compresses cheek; used to create sucking action
  2. b Extends from the skin over the masseter to the corners of the mouth, draws corners of the mouth posteriorly
  3. c o: mandible and maxilla; i: skin and muscle around mouth; closes and protrudes lips
  4. d muscle surrounding the lower lip and draws it to one side, also known as the quadratus labii inferioris
  5. e A small muscle superficial to the nasal bone and is active when an individual frowns. It arises from the nasal bone and the upper part of the lateral nasal cartilage and inserts into the skin over the lower part of the forehead between the eyebrows. It draws the medial border of the eyebrows downward to produce transverse wrinkles over the bridge of nose.

5 Multiple choice questions

  1. Also known an caninus, a muscle that raises the angle of the mouth and draws in inward.
  2. muscle of facial expression that elevates the upper lip; origins in the frontal process of maxilla, courses vertically along the nose, and inserts into upper lip
  3. from the mandible to insert into the anguli oris (triangularis)
  4. elevates hyoid and depresses mandible
  5. draws mouth superior and lateral (smiling) zygomatic bone orbicularis orus and skin at angles of mouth

5 True/False questions

  1. Zygomaticus minormuscle between zygomatic bone and corner of mouth; superior to zygomaticus major


  2. CorrugatorMuscle located beneath the frontalis and orbicularis oculi that draws the eyebrow inferiorly and medially as in frowning.


  3. Occipitofrontalisdraws scalp ant. and post. raises eyebrows and wrinkles skin


  4. TemporalisElevates and protrudes lower lip; used in pouting


  5. MasseterExtends from the skin over the masseter to the corners of the mouth, draws corners of the mouth posteriorly


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