Axillary, brachial plexus & blood supply of arm (outline 13)

Question 1

What artery that is only in the right arm? What is its contents?

Answer 1

brachiocephalic trunk

left common carotid

left subclavian

Question 2

Where does the common carotid supply?

Answer 2

head

Question 3

What mark the subclavian artery?

Answer 3

rib 1

Question 4

what does subclavian give off b4 rib 1?

Answer 4

vertebral a

thyrocervical trunk

internal thoracic A

costocervical trunk

Question 5

What is the name for subclavian after rib 1?

Answer 5

axillary 1

Question 6

What does the thyrocervical trunk give off?

Answer 6

inferior thyroid

suprascapularis

transverse cervicle

dorsal scapular a

Question 7

what does inferior thyroid supply? transverse cervical?

Answer 7

thyroid gland + sternoclavicular joint

traps

Question 8

what does vertebra a supply?

Answer 8

lower brainstem and spinal cord

Question 9

What does costalcervical give off?

Answer 9

deep cervical

supreme intercostal

Question 10

What does the internal thoracic a supply?

Answer 10

1st anterior intercostal spaces

Question 11

deep cervical supply where?

supreme intercostal

Answer 11

vertebra

1st 2 posterior intercostal arteries

Question 12

where does ax 1 travel? what does it give off?

Answer 12

from rib 1 -> superior border of pec minor

superior thoracic a

Question 13

what does the superior thoracic supply?

Answer 13

1st intercostal space

Question 14

Where is ax 2? give off?

Answer 14

under pec minor

lateral thoracic trunk and thoracoacromion trunk

Question 15

what does thoracoacromial trunk give off?

Answer 15

clavicular branch

pectoral branch

deltoid branch

acromial artery

Question 16

what are two arteries that supply the superficial deltoid? what is the root trunk that give off this?

Answer 16

acromial trunk

deltoid branch

Question 17

Where does Ax 3 travel? Give off?

Answer 17

inferior border of pec minor to inferior border of teres major

Posterior Humerus Circumflex A

Anterior Humerus circumflex A

subscapular trunk

Question 18

What does subscapular trunk give off?

Answer 18

circumflex scapula artery

thoracodorsal a (lats)

Question 19

What does ACHA & PCHA both supply?

Answer 19

humeral head & shoulder joint

Question 20

what is the largest branch in 3 axillaries?

Answer 20

subscapular trunk

Question 21

Anterior border of Axilla? Posterior?

Answer 21

Pec muscles

Subscapularis/ Teres major/scapula

Question 22

Medial/Lateral border of Axilla?

Answer 22

Serratus Anterior (Rib)

humerus

Question 23

What are contents in axillary sheath?

Answer 23

Axillar artery

medial cord

lateral cord

posterior cord

Question 24

what is the root of brachial axillary?

Answer 24

anterior rami of C5-T1

Question 25

What are the trunks in brachial plexus?

What are cords in_______?

Answer 25

superior/middle/inferior

lateral/posterior/medial

Question 26

What form the superior trunk? inferior trunk? middle trunk?

Answer 26

C5-C6

C8-T1

C7

Question 27

what does the trunk locate in relative to? the cord in relative to?

Answer 27

the clavicle

axillary arteries

Question 28

What are the 4 supraclavicular branches?

Answer 28

suprascapular

long thoracic

dorsal scapular

N to subcalvius

Question 29

What are infraclavicular branches?

Answer 29

medial brachial & antebrachial cutaneous

medial &lateral pectoral

upper&lower subscapular

thoracodorsal

Question 30

What is median N responsible for?

Answer 30

Forearm flexor

Thumb

Lumbrical 2&3

Question 31

Ulnar responsible for?

Answer 31

Most intrinsic hand