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K TMJ & Resp


the actions of the masseter muscle: elevation, unilateral deviation same side
what is the innervation of the temporalis mm? trigeminal nerve
which of the mm listed below can cause depression of the mandible? lateral pterygoid
of the two pterygoid mm, which one deviates the mandible to the contralateral side? medial & lateral pterygoid
T or F all the mm that work the TMJ are innervated by the cranial nerve V except the temporalis mm. false-all are innervated by the trigeminal nerve or cranial nerve V
T or F the normal resting position for the jaw is lips closed with the teeth several millimeters apart. true
which of the following makes up the thorax? sternum, ribs, thoracic vertebra, costal cartilages
true ribs make up the: 1st 7 ribs
T or F as you breathe in, the rib cage moves up and out true
T or F the diaphragm is the main mm of expiration. it assists by moving downward and out of the way when a person is exhaling. false- diaphragm causes inspiration
the ____ are the major mm for quiet inspiration. diaphragm & external intercostals
expiration is mostly a passive process. however, when one tries to forcibly exhale which of the following mm play a role? external oblique, internal oblique, quadratus lumorum
the external intercostals ____ the ribs elevate
name the 3 bony landmarks on the sternum. xiphoid process, body of sternum, manubrium
what nerve innervates the diaphragm? phrenic
Created by: jessigirrl4