Lecture 4 Vasculature of Back Shoulder Breast

Question 1

back is blank supplied because arteries supply regular intervals in a pattern along the entire vertebral column

Answer 1

segmentally

Question 2

longitudinal arteries

Answer 2

vertebral ascending cervical, vertebral artery

Question 3

blank back muscles get blood from unnamed arteries

Answer 3

intrinsic

Question 4

blank back muscles get blood from additional arteries

Answer 4

extrinsic

Question 5

most superior artery to the back

Answer 5

occipital artery

Question 6

occipital artery supplies blank and posterior skin of the head

Answer 6

suboccipital triangle

Question 7

blood supply to upper third of spinal cord

Answer 7

1 anterior spinal artery, 2 posterior spinal arteries

Question 8

blank parts of the spinal cord are well supplied

Answer 8

cervical/lumbar enlargement

Question 9

spinal cord is drained by

Answer 9

3 anterior spinal veins, 3 posterior spinal veins

Question 10

blood supply of back outside of spinal cord is blank

Answer 10

segmental

Question 11

boundaries of lateral cervical region

Answer 11

superior border of trap, clavicle, scm, prevertebral fascia (floor), investing deep fascia (roof)

Question 12

SCM

Answer 12

sternum/clavicle, mastoid process, neck flexion/protect carotid/jugular/rotate head

Question 13

innervation of scm and trap

Answer 13

spinal accessory

Question 14

posterior belly of omohyoid

Answer 14

scapula, hyoid, stabilize hyoid

Question 15

subclavius

Answer 15

hold clavicle against ribcage and protect subclavian vein and artery

Question 16

scalenes

Answer 16

TP C2-C7, 1st/2nd rib, raise ribs/lateral neck flexion

Question 17

gap between anterior and middle scalene

Answer 17

interscalene triangle

Question 18

external jugular vein empties into

Answer 18

subclavian

Question 19

subclavian vein passes blank the anterior scalene and gets blood from entire upper limb

Answer 19

in front of

Question 20

subclavian artery passes blank the anterior scalene so it is better protected than vein

Answer 20

behind

Question 21

short branch off subclavian

Answer 21

thyrocervical trunk

Question 22

branches of thyrocervical trunk

Answer 22

cervicodorsal trunk, suprascapular

Question 23

two branches of cervicodorsal trunk (transverse cervical)

Answer 23

superficial cervical a, dorsal scapular a.

Question 24

superficial cervical a supplies

Answer 24

trap

Question 25

dorsal scapular supplies

Answer 25

levator scap/rhomboids

Question 26

continuation of subclavian a and changes name at

Answer 26

axillary a, first rib

Question 27

when axillary a enters arm it becomes

Answer 27

brachial a

Question 28

superior thoracic, thoracoacromial, lateral thoracic, anterior humeral circumflex, posterior humeral circumflex, subscapular are all branches off

Answer 28

axillary a

Question 29

superior thoracic suppplies

Answer 29

1/2 intercostal space

Question 30

thoracoacromial branches (CAPD)

Answer 30

clavicular, acromial, pectoral, deltoid

Question 31

lateral thoracic supplies

Answer 31

pectoralis major/minor

Question 32

posterior humeral circumflex supplies

Answer 32

through quadrangular space to deltoid, terest major/minor, long head of triceps

Question 33

subscapular artery supplies and is the most important/largest axillary branch and branches into

Answer 33

circumflex scapular, thoracodorsal

Question 34

thoracodorsal a supplies

Answer 34

lat dorsi

Question 35

arrangement of multiple routes of blood in anastomesis is blank circulation

Answer 35

collateral

Question 36

drains arm, forearm and hand

Answer 36

axillary vein

Question 37

axillary vein becomes blank vein at first rib

Answer 37

subclavian

Question 38

important tributary of axillary vein

Answer 38

cephalic vein

Question 39

structures holding fat and gland tissue in place and attaches it to dermis of overlying skin in breasts

Answer 39

susepensory ligaments

Question 40

15-20 lobes of glandular tissue

Answer 40

mammary glands

Question 41

each lobe of glandular tissue is drained by

Answer 41

lactiferous duct

Question 42

lactiferous duct leads to blank where milk accrues before release

Answer 42

lactiferous sinus

Question 43

blood supply of breast

Answer 43

lateral thoracic, thoracoacromial, internal thoracic, posterior intercostal

Question 44

blood drainage of breast

Answer 44

mostly axillary vein

Question 45

primary lymph drainage of breast

Answer 45

axillary lymph nodes

Question 46

responsible for breasts enlarging during pregnancy and nursing and is a site of fibrocystic disease but not cancer

Answer 46

axillary tail