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5 Written questions

5 Matching questions

  1. muscles of mastication
  2. tic delereux
  3. posterior belly of digastric
  4. medial ptergoid muscle
  5. protrudes or moves forward
  1. a origainates- temporal bone, specifically the mastoid process, inserts- on hyoid bone, action- elevates hyoid and moves slightly posterior, innervation- CN # 7
  2. b origin- lateral ptergoid process, inserts, angle of mandible, action- mimics masseter on medial side, elevates mandible, innervated- CN # 5
  3. c aka as trigeminal neuralgia, CN # 5 can be hypersensitive, or muscle goes into tonic contraction and stays, can be very painful, typically only experienced on the right or left, painful to chew, idiopathic- questionable cause, typically pain comes and goes
  4. d there are 4, all 4 move mandible , all are innervated by CN # 5, specifically the mandibular branch of trigeminal nerve
  5. e when both ptergoid muscles contracts the mandible does what?

5 Multiple choice questions

  1. origin- at sternum, inserts on thyroid cartilage, depresses hyoid, and aids in swallowing, innervated by cervical nerves, short and thick
  2. these muscles are responsible for shaping the tounge during speech, chewing and swallowing
  3. how many groups of muscles does the tongue have?
  4. originates- genial tubricles, inserts- hyoid bone, innervation- CN # 1, action- elevates and moves hyoid slightly anterior
  5. when right lateral ptergoid muscles contracts the mandible does this, and vice versa if the left one were to contract.

5 True/False questions

  1. masseteron moveable bone, bone will move as a result of muscle action- what results from contraction


  2. levator labii superiorisorigin- maxilla, inserts- maxillary lip, action- pulls lip up for smile, innervation- CN #7


  3. epicranial musclealong forehead above orbit, raised eyebrows or scrunched forehead.


  4. omohyoidpositioned under geniohyoid, originates- mylohyoid line on mandible, inserts- in hyoid bone, action- elevates and moves slightly anterior the hyoid bone, innevated- mylohyoid nerve


  5. originwhere muscle originates, and attaches to immoveable bone or surfaces


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