unit 3 neck & spine Flashcards
what provides an opening for respiratory & digestive ?
- passageway for air, food, & liquid
pharynx
what contains the vocal cords
the larynx
the three divisions of the pharynx
nasopharynx, oropharynx, laryngopharynx
describe the location of the larynx
begins at the laryngopharynx & continues to the trachea
the larynx is made up of ___ pieces of cartilage, name them
9
-epiglottis (1)
- thyroid (1)
- cricoid (1)
- anyteroids (2)
- corniculates (2)
- cuneiforms (2)
what is the covering of a muscle called
epymysum
the insertion point of the SCM muscle
mastoid tip
the relation of the trachea to the esophagus
esophagus is posterior to the trachea
which cartilage appears C shaped
trachea & cricoid cartilage
which neck gland is endocrine
thyroid
name the salivary glands
sublingual
parotid
submandibular
what are the two categories of vertebrae
true & false
name the false vertebrae
sacrum & coccyx
name the true vertebrae
cervical, thoracic, & lumbar,
intervertebral joints are what type of joint
fibrocartilaginous, amparthrosis
what two structures make the vertebral arch
pedicles & lamina
what are the structures that make the vertebral foramen
arch & body
the common name for the spinal muscles
erector spinae
which modality is best suited for spinal cord, disks, ligaments & bony lesions
MRI
which modality is best suited for vertebral bodies & bone
CT
what anchors the spinal cord to the coccyx
filium terminal
what type of nerves exit the spinal cord, and how many are there?
mixed nerves - 31 pairs
the trachea is _______ to the esophagus
anterior
name the largest cartilage in the neck
thyroid cartilage
what prevents food from going into the respiratory system
epiglottis
the pharynx originates at ________ and ends at ____
base of skull, C6
the pharynx ends at C6 and continues as the
esophagus
larynx begins at the ______________ & continues to the _______
laryngealpharynx , trachea
larynx extends from C4 -
C6
what structure marks where the pharynx divides into the trachea (anteriorly) & esophagus (posteriorly)
cricoid cartilage
what the benefit of skeletal muscles being striated
keep heat & absorb shock
smallest part of a muscle
muscle fiber
what muscle allows for the head to turn side to side & flexion
sternocleidomastoid (SCM)
what muscle inserts on mandible & inferior face
platysma
what muscle originates at transverse process of C2-C7 & inserts on 1st & 2nd ribs
scalene
the thyroid gland sits at the level of what cartilage
cricoid cartilage
which salivary gland is the largest
parotid
the R & L common carotid artery’s each bifurcate into
the internal & external carotid arteries
the vertebral arteries arises from the
subclavian artistes
largest vessel in the neck (right larger than left)
internal jugular vein
what salivary gland is seen at the level of the hyoid bone
submandibular
what vein is lateral to the posterior aspect is the SCM
external jugular vein
what area of spine is it most common for degeneration of disks & ruptures
lumber (most weight bearing)
the spinal cord is thicker in what regions
C & L
spinal cord extends to
L1-L2
which ligament helps with keeping a disk herniation from impinging the spinal cord
posterior longitudinal ligament (PLL)
remains of spinal cord after growth - extends from tapered end
cauda equina
concave arch of spine
T & pelvic curve
lordosis - convex curve of the spine
C & L curve
the SCM muscle originates at
the sternum & clavicle
