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29 Cards in this Set
- Front
- Back
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What are the three main ways to name a muscle?
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Function, shape, and attachment.
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What are the borders of the posterior triangle?
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SCM, trapezius m., and middle section of clavicle.
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Name the three parts of the deep cervical fascia?
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superficial, prevertebral, and visceral.
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Name the structures in the carotid sheath?
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IJ, common carotid, and vagus n.
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Name the attachment sites of the omohyoid m.?
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hyoid bone and scapulae(shoulder)
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What is the landmark for CN 11?
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Levator scapulae
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What muscles does CN 11 innervate?
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SCM and trapezius m.
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What nerve innervates the platysma muscle?
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Facial (CN 7)
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What is the function of the trapezius m.?
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Elevate shoulders
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What is the attachment site of the scalene muscles?
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Ribs
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What are the functions of scalene muscles?
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force inspiration and landmark (i.d. phrenic n., subclavian a. and vein)
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What is the function and location of phrenic n.?
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Contract diaphragm; anterior to anterior scalene
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What is the function and location of brachial plexus?
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Supply upper extremities; between ant. and middle scalene
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Where is the subclavian a.?
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Between ant. scalene and brachial plexus, over the 1st rib, and into the arm.
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Where is the subclavian vein?
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Anterior to anterior scalene muscle.
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What separates the subclavian a. and vein?
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Anterior scalene muscle
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What forms the scalene triangle?
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anterior scalene, middle scalene, and 1st rib.
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What does the ansa cervicalis innervate?
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Strap muscles (sternohyoid, sternothyroid, thyrohyoid, and omohyoid).
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Where is ansa cervicalis derived from?
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C1-C3
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What is the function of cervical plexus?
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Supply skin of the neck.
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Define nerve point?
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Pt. where nerves erupt out of the posterior triangle 3cm above the clavicle.
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What is the function of interior jugular?
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Drain inside of the skull.
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What is the function of external jugular?
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Drain outside of the skull.
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What muscle separates the IJ from EJ?
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SCM
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What structure does the IJ and EJ drain into?
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subclavian vein ---> heart
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How far into the neck does the subclavian a. travel?
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2-4 cm
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What are the branches of the subclavian a.?
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vertebral a. (supply 1/3 brain)
thyrocervical trunk |
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Name three branches of thyrocervical trunk?
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inferior thyroid a.
transverse cervical a. (supply trapezius) suprascapular a. (supply scapulae) |
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What nerve runs behind the EJ?
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great auricular
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