relationship of head and neck to other regions + key features Flashcards
synonym for thoracic inlet
superior thoracic apperture
synonym for gateway to upper limb
axillary inlet
which rib do structures such as blood vessels pass over when passing between the axillary inlet and thorax
rib I
cervical components of the ……… …….. pass directly from the neck through the axillary inlets to enter the upper limb
brachial plexus
which are the two important vertebral levels in the neck
- between CIII and CIV
- between CV and CVI
what does the internal carotid artery supply
- much of the brain
- eye and orbit
what happens with the common carotid artery at levels CIII and CIV
it bifurcates into internal and external carotid arteries
CIII and CIV are situated at approximately the superior border of the …… of the larynx
thyroid cartilage
CV and CVI mark the lower limits of the ….. and …. and the superior limit of the …. and the …..
pharynx, larynx, trachea, esophagus
the indentation between the … … of the larynx and the first …. ring can be palpated
cricoid cartilage, tracheal
two ways to surgically access the anterior neck
- cricothyrotomy
- tracheostomy
what is the route of acces of a cricothyrotomy
the cricothyroid ligament
how many pairs of cranial nerves do we have
12
through what do the cranial nerves exit the cranial cavity
through foramina or fissures
4 cranial nerves of which the parasympathetic fibers in the head are part
- oculomotor nerve (III)
- facial nerve (VII)
- glossopharyngeal nerve (IX)
- vagus nerve (X)
parasympathetic fibers of the oculomotor nerve, the facial nerve and the glossopharyngeal nerve are distributed with branches of the ….
trigeminal nerve (V)
the vagus nerve (X) leaves the head and neck to deliver parasympathetic fibers to the …….
thoracic and abdominal viscera
how many cervical nerves do we have
8
where do C1 to C7 emerge from
the vertebral canal above their respective vertebrae
where does C8 emerge from
between vertebrae CVII and TI
the anterior rami of C1 to C4 form the …. ….
cervical plexus
what do the major branches from the cervical plexus supply
- strap muscles
- diaphragm
- skin on anterior and lateral parts of neck
- skin on upper anterior thoracic wall
- skin on inferior parts of head
the anterior rami of C5 to C8, together with a large component of the anterior ramus of T1, form the …. ….., which innervates the … ….
brachial plexus, upper limb
