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5 Written Questions

5 Matching Questions

  1. buccinator O&I, action
  2. hyoglossus O&I and action
  3. hyoid bone
  4. name muscles of facial expression in eye region
  5. Which are the 4 pairs of muscles attached to the mandible?
  1. a O: maxilla, mandible, pterygomandibular raphe
    I: angle of mouth
    A: pulls angle of mouth laterally. shortens cheek vertically/horizontally. keeps food pushed back on occlusals of teeth (chewing). assists muscles of mastication. "trumpet muscle"
  2. b orbicularis oculi, corrugator, and procerus
  3. c the muscles of mastication; masseter, temporalis, medial pterygoid, lateral pterygoid
  4. d horseshoe shaped bone inferior to mandible. does not articulate w/other bones
  5. e O: greater cornu and body of hyoid bone
    I: tongue
    A: depresses tongue

5 Multiple Choice Questions

  1. O: frontal bone
    I: eyebrow medial
  2. O: mandible
    I: angle of mouth
    A: depresses angle of mouth, FROWN
  3. anterior belly of digastric, mylohyoid and geniohygoid
  4. O: frontal bone (supraorbital region)
    I: eyebrow (lateral)
    A:draws tissue of eyebrow medially/inferiorly toward nose (vertical wrinkles in glabella; horizontal wrinkles at bridge of nose-frown)
  5. the superior belly of the omohyoid muscle

5 True/False Questions

  1. masseter (superficial head) O&I and actionO: ant. 2/3 of lower border of zygomatic arch
    I: angle of mandible
    A: elevation of mandible (closing jaw)


  2. muscles of facial expressionin superficial fascia of facial tissues


  3. sylohyoid (anterior suprahyoid)O&I and actionO: genial tubercles of mandible
    I: body of hyoid
    A: opens jaw


  4. mylohyoidend of the muscle attached to least movable structure


  5. sternocleidomastoid muscle (SCM)primary muscle landmark of neck during extra oral exam (palpated when pt moves head to opposite side of neck); divides neck into ant/post cervical triangles


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