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40 Cards in this Set
- Front
- Back
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What is the action of orbicularis oculi?
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Closes the eye
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What depresses or elevates the corners of the mouth?
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Depresses: Depressor anguli oris, depressor labii inferioris, platysma
Elevates: Levator anguli oris, zygomatic major |
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What is another term for Bell's Palsy?
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Paralysis of facial muscles
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What is the action of buccinator?
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Sucking and blowing, keeping food out of vestibule of mouth, whistling.
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What are the divisions of the trigeminal nerve?
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Opthalmic branch, maxillary branch, mandibular branch
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Which muscle inserts into the subcutaneous tissue of the anterior neck?
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Platysma
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What is the common attachment for frontalis and occipitalis?
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Galea aponeurotica or epicranial aponeurosis
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What is the smile muscle?
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Risorius
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What is the origin of temporalis?
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Temporal bone
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What is the insertion of temporalis?
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Coronoid process
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What is the action of temporalis?
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Closes jaw; retraction
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What nerve innervates temporalis?
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CNV Trigeminal
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What is the origin of masseter?
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Zygomatic arch
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What is the insertion of masseter?
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Ramus of mandible
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What is the action of masseter?
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Closes jaw; protraction
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What nerve is masseter innervated by?
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CNV Trigeminal
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What is the origin of medial pterygoid?
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Medial pterygoid plate
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What is the insertion of medial pterygoid?
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Ramus of mandible
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What is the action of medial pterygoid?
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Closes jaw; side to side movement
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What nerve is medial pterygoid innervated by?
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CNV Trigeminal
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What is the origin of lateral pterygoid?
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Lateral pterygoid plate
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What is the insertion of lateral pterygoid?
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TMJ capsule
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What is the action of lateral pterygoid?
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Closes jaw; side to side movement
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What nerve is lateral pterygoid innervated by?
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CNV Trigeminal
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CNVII divides in which salivary gland?
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Parotid gland
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What does mastication mean?
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To close the jaw (chew)
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What is Tic Deloureaux?
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Inflammation of the trigeminal nerve (trigeminal neuralgia)
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What are the muscles of the occipital triange?
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Rectus capitus posterior major, obliquus capitus inferior, obliquus capitus superior
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What are the two components of motion for TMJ?
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Rotation and translation
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Where does TMJ restriction deviate to?
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The side of the restriction
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What is between the condyle of the mandible and the temporal bone?
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Articular disc
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Which neck muscle can ipsilaterally rotate the head?
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The splenii
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Which neck muscle can contralaterally rotate the head?
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Sternocleidomastoid
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The brachial plexus emerges through which muscles?
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Anterior & middle scalenes
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Which hyoid muscle is attached to the shoulder?
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Omohyoid
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The SCM is innervated by which nerve?
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Spinal accessory nerve (XI)
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What does entrapment of the suboccipital nerve cause?
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Headaches
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What muscles do the facial nerve supply?
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Occipitofrontalis, corrugator supercilli, procerus, nasalis, alaeque nasi, orbicularis oculi, levator labii superioris, levator anguli oris, zygomatic minor, zygomatic major, orbicularis oris, risorius, buccinator, depressor anguli oris, depressor labii inferioris, mentalis, auricular muscles, platysma
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What is the action of orbicularis oris?
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Closes the mouth
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What does digastric mean?
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Two bellies
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