lecture 3 brachial plexus

Question 1

axilla

Answer 1

armpit

Question 2

what do the nerevs of the arm wrap around

Answer 2

the subclavian artery

Question 3

what drains into the lymph nodesof the axilla

Answer 3

the breast and arms

Question 4

dorsal roots carry

Answer 4

sensory information

Question 5

ventral roots carry

Answer 5

motor info

Question 6

when do the dosral and ventral roots fuse

Answer 6

before they leave the spinal column as the spinal nerve

Question 7

how does the spinal nerve exit the spinal column

Answer 7

as dorsal and ventral rami

Question 8

how many cervical vertebrae

Answer 8

7

Question 9

roots of the brachial plexus

Answer 9

C5, C6, C7, C8, T1

Question 10

what makes up the superior trunk

Answer 10

C5 C6

Question 11

middle trunk

Answer 11

C7

Question 12

inferior trunk

Answer 12

C8, T1

Question 13

what do all the trunks have in common

Answer 13

anterior and posterior division

Question 14

anterior division of the trunk supplies

Answer 14

flexors

adductors

Question 15

posterior division supplies

Answer 15

extensors

abductors

Question 16

what is the lateral cord made up of

Answer 16

super and middle anteriors

Question 17

posterior divisions of the trunk becomes

Answer 17

posterior cord

Question 18

inferior tunk anterior division becomes

Answer 18

median cord

Question 19

lateral cord –>

Answer 19

musculocutaneous, median nerve

Question 20

what comes together to make the median nerve

Answer 20

lateral and median cords

Question 21

median cord –>

Answer 21

median and ulnar

Question 22

posterior cord –>

Answer 22

radial and axillary

Question 23

what does the radial nerve supply

Answer 23

extensors of the upper limb

Question 24

in fractures of the surgical neck of the humerus what can be damaged

Answer 24

axillary nerve

Question 25

what supplies the coracobrachialis

Answer 25

muscular cutaneous nerve

Question 26

what is the coracobrachialis

Answer 26

adductor

Question 27

what flexors does the musccular cutaneous nerve supply

Answer 27

brachialis

biceps brachi

Question 28

route of the median nerve

Answer 28

passes through the arm without giving off an branches and then supplies the long flexors of the forearm

Question 29

median nerve supplies

Answer 29

thumb

Question 30

ulnar nerve route

Answer 30

passes through the arm gilving off no branches and then into the forearm for the flexors of the forarm
muscles and sensation in the hand

Question 31

intrinsic muscles of the hand are supplies by

Answer 31

T1

Question 32

erbs palsy

Answer 32

damage to the brachial plexus

Question 33

effects of erbs palsy

Answer 33

cant move shoulder

handis okay

Question 34

klumpke

Answer 34

lower parts of the brachial plexus are damaged