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52 Cards in this Set
- Front
- Back
at what spinal level would you find the hyoid bone
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C3
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to what structures is the hyoid bone connected to via muscles and connective tissue
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mandible, styolid process, mastoid process, thyroid cartilage, manubrium, and scapula
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what type of fascia surrounds the platysma
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superficial layer of cervical fascia
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what nerve innervates the platysma
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cervical branch of Facial Nerve
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what is the most superficial layer of deep cervical fascia
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investing fascia
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the investing fascia splits into anterior and posterior laminae just above manubrium forming a suprasternal space that contains...
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fat and anterior jugular vein
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the investing fascia splits to encircle two main muscles which are...
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sternocleidomasstoid and trapezius
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what is the name of the thickening of the investing fascia that passes from the the styloid process to the angle of mandible
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stylomandibular ligament
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what is the name of the fascia that surround the thyroid gland, trachea, and esophagus
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pretracheal layer of deep cervical fascia
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the pretracheal fascia allows for spread of infection to the anterior mediastinum due to the connection with...
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fibrous pericardium
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what is the sheet of fascia that encircles cervical vertebrae and their associated muscles
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prevertebral layer of deep cervical fascia
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laterally the prevertebral fascia forms the...
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axillary sheath
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what is the name of the structure that invests the common and internal carotid arteries, vagus nerve, internal jugular vein and deep cervical lymph nodes
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carotid sheath
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which layers of the deep cervical fascia blend with the fascia forming the carotid sheath
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investing, pretracheal, and prevertebral
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what is the name of the space that opens inferiorly into the superior mediastinum and will allow for infection to spread to superior and posterior mediastinum
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retropharyngeal space
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what three structures form the retropharyngeal space
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posteriorly:prevertebral fascia
laterally: carotid sheath anteriorly: buccopharyngeal fascia |
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what action does unilateral contraction of the sternocleidomastoid muscle perform
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rotation of chin upwards and to opposite side
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what nerve innervates the sternocleidomastoid muscle
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spinal accessory nerve
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what is caused by contractino or shortening of neck muscles where the head is drawn down to effected side and face is rotated with chin facing opposite direction
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torticollis
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what are the borders of the posterior triangle of the neck
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anterior: SCM
posterior: trapezius Inferior: middle third of clavicle superior: occipital bone on superior nuchal line roof: investing fascia floor: prevertebral fascia |
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what are the attachments for the omohyoid muscle
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superior scapular border, medial to scapular notch to body of hyoid
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what is the function of the omohyoid
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depress or fix hyoid
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what nerve innervates the omohyoid
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ansa cervicalis (C1-C3 ventral rami)
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the inferior belly of the omohyoid muscle divides the posterior triangle of the neck into what two triangles
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occipital (superiorly) and omoclavicular/subclavian triangle
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what muscle is an accessory breathing muscle
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sternocleidomastoid
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what muscles would you find on the floor of the posterior triangle
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splenius capitis, levator scapulae, posterior-middle-anterior scalene
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what are the attachments for the posterior scalene muscle
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T.P. of C4-C6 to rib 2
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what is the action of the posterior scalene muscle
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elevate rib 2 during forced inspiration, flex neck laterally
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what are the attachments for the middle scalene
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T.P. of C2-C7 to rib 1
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what are the attachments for the anterior scalene
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T.P. of C3-C6 to rib 1
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where are the neuron cell bodies for the spinal accessory nerve
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ventral grey colun of upper cervical spinal cord
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the spinal accessory nerve enters the skull via the ___ and exits via ___
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foramen magnum/jugular foramen
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what muscles does the spinal accessory nerve innervate
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SCM, levator scapulae, trapezius
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the spinal accessory nerve is ___ to the prevertebral fascia that overlies the levator scapulae
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superficial
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proprioceptive fibers from ___ spinal levels run with the CNXI in the neck
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C2-C4
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where is the brachial plexus formed from
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C5-T1 ventral rami
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which two muscles does the brachial plexus pass between when exiting the neck
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anterior and middle scalene
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the cervical plexus is formed from ventral rami of ___
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C1-C4
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postganglionic sympathetic fibers are added to ventral rami of spinal nerves C1-C4 via grey rami communicantes from...
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superior cervical ganglion
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the cervical plexus is located deep to ___ and on the surface of the levator scapulae and ____
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SCM/middle scalene
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what are the cutaneous branches of the cervical plexus
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lesser occipital nerve (C2), great auricular (C2-3), transverse cervical (C2-3), and supraclavicular nerves (C3-4)
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what muscles does the ansa cervicalis innervate
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omohyoid, sternothyroid, sternohyoid
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the phrenic nerve is formed mainly from the ventral ramus of...
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C4
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the phrenic nerve runs along the anterior surface of ___ muscle and ____ to prevertebral fascia and the transverse cervical and suprascapular arteries
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anterior scalene/posterior
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if regional anesthesia of the cervical plexus was desired, a cutaneous anesthetic could be administered...
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posterior-middle portion of SCM
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what is one of the possible branches of the third part of the subclavian artery
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dorsal scapular artery
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what are two branches of the thyrocervical trunk from the first part of the subclavian artery
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superficial cervical (transverse cervical) and suprascapular
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the occipital artery is a branch of...
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external carotid artery
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in the neck where would you find the occipital artery
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apex of posterior triangle
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the occipital artery enters scalp with what nerve
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great occipital
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the external jugular veins is formed near the angle of the mandible by the converging of what two veins
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posterior auricular and retromandibular
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the transverse cervical, suprascapular, and anterior jugular veins are tributaries to what vein
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external jugular vein
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