Test 3 Flashcards
Margin of subclavian vein
lateral margin of first rib
Brachiocephalic vein
subclavian vein and internal jugular fuse anterior to anterior scalene
External Jugular vein
inferior and superficial to SCM
What is posterior to auricular vein and retromandibular vein?
EJV
Path of Vagus nerve:
carotid sheath and posterior to sterniocalvicular joint to enter thoracic cavity
The phrenic nerve runs:
lateral border of anterior scalene
Where does the phrenic nerve descend?
between subclavian ateries and vein to enter each side od manubrium
Anterior triangle boundaries:
anterior border of SCM
midline of neck
inferior border of mandible
roof: platysma and deep cervical fascia
Hyoid is at what level:
C3
Thyroid cartilage is at what level
C3/C4
Cricoid cartilage is at what level:
C5/C6
What muscles are in the anterior triangle?
suprahyoid
infrahyoid
What nerves are in the anterior triangle?
transverse cervical
hypoglossal
What veins are in the anterior triangle:
IJV
What arteries are in the anterior triangle?
common carotid (internal and external)
What level does the common carotid bifurcate?
C4
What is the path of the hypoglossal?
enters submandibular triangle deep to posterior belly of diagastric
What are the boundaries of the posterior triangle?
SCM
clavicle
traps
What nerves pass through the posterior triangle?
spinal accessory
roots of brachial
cervical plexus
What are the motor roots of cervical plexus?
ansa cervicalis
phrenic nerve
What are the cutaneous nerves of the cervical plexus?
less occipital (C2) greater auricular (C2-C3) transverse cervical (C2-C3) supaclavicular (C3,C4)
What arteries are in the posterior triangle?
3rd part of subclavian
dorsal scapular
suprscapular
What is borders the 3rd part of subclavian?
lateral border of anterior scalene
posterior to subclavian vein
What are the vein the are in the posterior triangle?
EJV
