5 - plexuses and spaces

Question 1

components of the brachial plexus

Answer 1

roots, trunks. divisions, cords, nerves

Question 2

how many posterior divisons

Answer 2

3

Question 3

how many anterior divisions

Answer 3

3

Question 4

musculocutaneous nerve travels into

Answer 4

anterior compartment of the arm

Question 5

musculocutaneous nerve innervates

Answer 5

muscles of the anteror arm

Question 6

medain nerve innervates

Answer 6

major component of the anteror forearm

continues into the hand and also innervates the thenar (thumb) muscles and 2 lumbricles

Question 7

ulnar nerve innervates

Answer 7

most of the hand

some of the forearm

Question 8

axillary nerve innervates

Answer 8

deltoid and part of the triceps

Question 9

posterior cord continues as the

Answer 9

radial nerve to innervate posterior arm and posteror forearm

Question 10

the hand has no

Answer 10

dorsal compartment

Question 11

borders of the posterior triangle of the neck

Answer 11

posterior - trapezius
inferior - clavicle
anteror - sternocledomastoid

Question 12

contents of the posterior triangle of the neck

Answer 12

semispinalis capitus 
splenius 
levator scapulae 
scalene muscles 
subclavian vessels 
accessory nerve 
cervical plexus 
phrenic nerve 
brachial plexus

Question 13

the axilla

Answer 13

the arm pit

Question 14

borders for the axilla

Answer 14

anterior - pec major and minor
posterior - lat dorsi tendon and ssubscapularis
medial - ribs and serratus anterior
lateral 0 intertubercular sulcus

Question 15

the axilla starts at

Answer 15

the cervicoaxillary canal

Question 16

borders of the quadrangular space

Answer 16

superior - teres minor
inferioor - teres major
madial - long head of triceps brachii
lateral - surgical neck of humerus

Question 17

contents of the quadrangular space

Answer 17

axillary nerve and post circumflex humeral artery

Question 18

injury to the quadrangular space

Answer 18

injurs the axillary nerve which performs all actions at the glenohumeral joint via the deltoid - significant functional loss

Question 19

cubital fossa

Answer 19

triangular space in the anterior elbow

Question 20

3 borders of the cubital fossa

Answer 20

lateral border - brachioradialis
medial border - pronator teres
proximal border - line between the epicondyles

Question 21

contents of the cubital fossa

Answer 21

biceps tendon
brachial artery
median nerve

Question 22

ventral nerve of the lumbrosacral plexus

Answer 22

obturator

Question 23

dorsal nerve of the lumbrosacral plexus

Answer 23

femoral

Question 24

superior gluteal nerve paired with

Answer 24

inferior gluteal nerve

Question 25

inferior and superior gluteal nerve innervate

Answer 25

lateral compartment of the thigh

Question 26

sciatic nerve

Answer 26

combination of 2 major nreves - dorsal and ventral

never correct from innervations

Question 27

tibial nerve innervate

Answer 27

supplies the posterior leg and thigh and most of the foot

Question 28

superficial perineal nerve innervates

Answer 28

lateral compartment of the leg

Question 29

femoral triangle is covered in

Answer 29

fascia lata (lateral fascia)

Question 30

borders of femoral triangle

Answer 30

roof - fascia alata 
floor - pectineus, iliospoas, 
medial - ad. longus
superior - inguinal lig 
lateral - sartorius

Question 31

popliteal fossa borders

Answer 31

hamstrings superiorly, and gastrocnemius heads inferiorly

Question 32

contents of the popliteal fossa

Answer 32

popliteal artery and vein
tibial nerve
fibular nerve exits

Question 33

superficial vein enerteing the femoral triangle via the saphenous hiatus

Answer 33

great saphenous vein

Question 34

superficial vein entering the popliteal fossa via the adductor hiatus

Answer 34

small saphenous vein