NECK Flashcards
what are the cervical fascia layers?
skin superficial fascia investing layer muscular layer visceral layer deep layer *alar fascia
this cervical fascia layer is fat filled, surrounds facial muscles and contains the platysma?
superficial fascia
what comprises the middle layer of the deep fascia?
muscular portion
visceral portion
the muscular portion of the middle layer of the deep fascia contains these structures? the visceral portion?
infrahyoid muscles
esophagus and trachea
the deep (prevertebral) layer of the deep fascia contains these structures?
erector spinae, vertebral bodies, ligaments
this fascia of the cervical fascia layer contains these structures?
carotid structure
retropharyngeal space
where does the retrophrayngeal space lie?
visceral layer and deep layer which is a major site of infection
what are the layers of the neck that contain the muscles?
superficial m
posterior group
anterior group
what is the posterior group of the neck comprised of?
trapezius splenius capitis semisplenius capitis longissimus capitis rectus capitis posterior major rectus wapitis posterior minor
what is the anterior group of the neck comprised of?
SCM Scalenus Anterior m Scalenus Middle m Scalenus Posterior m Longus Capitis Longus Coli Suprahyoid m infra hyoid m
this is the site for an emergency airway?
cricothyroid membrane
the posterior triangle is comprised of what triangles?
occipital triangle
subclavian triangle
the anterior triangle is comprised of what triangles?
muscular triangle
carotid triangle
submental triangle
submandibular triangle
this major triangle is located behind the SCM?
posterior triangle
this major triangle is located IFO the SCM?
anterior triangle
what vessels do postganglionic nerves follow?
arteries
what are the important arteries of the neck?
subclavian a.
common carotid a.
what are arteries the thyrocervical truck and the costocervical truck give off?
suprascapular a
transverse cervical a
inferior thyroid a
superior intercostal a
deep cervical a
this artery doesn’t branch until the brain, no branches outside the skull and doesn’t supply anything until it reaches the brain?
internal carotid from the common carotid
what are the branches off the external carotid artery?
superior thyroid a ascending pharyngeal a lingual a facial a occipital a posterior auricular a maxillary a superficial temporal a
T/F,f the jugular venous system has valves and reasoning?
F, makes it easier to get infection
where do all the parts of the jugular venous system drain?
components?
the internal jugular
anterior jugular v. external jugular v -retromandibular v -occipital v -posterior auricular v -superficial temporal -maxillary v -facial v -gives off pterygoid venous plexus
what is the cervical nerve plexus comprised of?
superficial portion posterior rami spinal accessory n roots and trunks of the brachial plexus phrenic n vagus n hypoglossal n sympathetic trunk erbs point ansa cervicalis
the superficial portion of the cervical nerve plexus is comprised of what nerves? are these motor or sensory?
lesser occipital n (C2-3)
great auricular n (C2-3)
transverse cervical n (C2-3)
supraclaviular n (C3-4)
sensory
