lecture 17: nerves and circulation

Question 1

what vertebrae make up the lumbosacral plexus

Answer 1

(t12) L1-S4

Question 2

what makes up the lumbar plexus

Answer 2

(t12) l1-l4

Question 3

what makes up the sacral plexus

Answer 3

l4/l5-s4

Question 4

what are the brances of the first lumbar nerve

Answer 4

illihypogastric
illinguinal
genitofemoral

Question 5

what branch makes up the illiinguinal and illihypogastric

Answer 5

l1

Question 6

what branch makes up the genitofemroal (l1 and l2)

Answer 6

l1-l2

Question 7

true or false, the lumbosacral plexus gets no contribution from thoracic

Answer 7

false, T12 contribution

Question 8

true or false, femoral nerve stays anterior

Answer 8

true

Question 9

what are the contributions for femoral nerve

Answer 9

l2 l3 and l4

Question 10

what are the contributions for obturator nerve

Answer 10

l2 l3 and l4

Question 11

obturator nerve supplies the …

Answer 11

adductors

Question 12

what are the main nerves of the lumbosacral plexus

Answer 12

illiohypogastric
illinguinal
genitofemoral 
lateral femoral cutaneous 
femoral (saphenous)
obturator

Question 13

true or false: saphenous is not a sensory nerve

Answer 13

false, it is sensory

Question 14

is saphenous medial or lateral

Answer 14

medial

Question 15

what are the total contributions for sacral plexus

Answer 15

l4/l5 to s4

Question 16

what are the nerves taht make up the sacral plexus

Answer 16

superior gluteal nerve
inferior gluteal nerve
scianic nerve
>common fibular (superfical, deep and lateral sural)
>tibial nerve (medial and lateral plantar, lateral sural)
sural

Question 17

what are the contributions for superior gluteal nerve

Answer 17

l4, l5, s1

Question 18

WHAT ARE THE contributions for the inferior gluteal nerve

Answer 18

l5,s1 and s2

Question 19

what are the contributions of sciatic

Answer 19

l4-s3

Question 20

does sciatic stay posterior or anterior

Answer 20

posterior

Question 21

what are the contributions for tibial

Answer 21

l4 to s3

Question 22

whatt does sciatic split into

Answer 22

tibial and common peroneal

Question 23

what does tibial innervate

Answer 23

posterior leg and under the foot

Question 24

what does tibial nerve split to

Answer 24

medial and lateral plantar

medial sural cutaneous

Question 25

what is the contributions for common fibular

Answer 25

l4-s2

Question 26

what does common peronial split into

Answer 26

superficial and deep | lateral cuteamous

Question 27

does common fibilar supply posterior or anterior

Answer 27

anterior

Question 28

what does the superficial fibular innervate

Answer 28

fibular msucles (brev and longus)

Question 29

what do the deep fibiular innervate

Answer 29

Anterior leg

Question 30

true ro false: the superficial and deep fibular stay anteriorly

Answer 30

true

Question 31

is the sural nerve inenrvation or sensory

Answer 31

sensory

Question 32

arteries

Answer 32

abdominal artery common illiac internal and external illiac femoral (deep femoral and medial.lateral femoral circumflex) popliteal (genicular) anterior tibial (dorsalis pedis) posterior tibial (fibular and then medial and lateral and deep arches)

Question 33

where is common illiac arteries

Answer 33

L4

Question 34

where are external illiac arteries

Answer 34

L5/S1

Question 35

what comes off the external illiac

Answer 35

femoral artery

Question 36

what are the branches of the femoral artery

Answer 36

deep femoral lateral and medial femoral circumflex perforating arteries

Question 37

what is the fucntion of the perforarting arteries

Answer 37

off deep femoral and will go through the adductor and will supply the posterior thigh

Question 38

where do the medial and lateral femoral circumflexes arteries and veins go>

Answer 38

around neck of the femur

Question 39

when does it become femoral (veins and artery)

Answer 39

past inguinal line

Question 40

what does the femoral artery turn into

Answer 40

popliteal artery

Question 41

what branches off the popliteal artery

Answer 41

genicular arteries posterior tibial artery anterior tibial artery

Question 42

where does the femoral artery pass

Answer 42

adductor canal

Question 43

where does the anterior tibial artery perforate

Answer 43

the interosseous membrane

Question 44

what does the posterior tibial artery split into

Answer 44

fibular medial and lateral plantar into plantar arch

Question 45

what does anterior tibial artery split into

Answer 45

dorsalis pedis artery | dorsal arch

Question 46

where does the saphenous vein go and insert

Answer 46

starts and stays medial dumps into femoral

Question 47

what is the saphenous vein opening

Answer 47

allows saphernous vein to exit the fascia amnd supply medially

Question 48

what is the cribriform fascia

Answer 48

fascia that closes the saphenous opening and holds the saphenous vein

Question 49

are great and small saphenous veins venous commitantes

Answer 49

no

Question 50

what are the veins

Answer 50

inferior vena cava common illiac vein internal and external illiac vein femoral vein (great saphenous and deep femoral) popliteal vein (small saphenous) >posterior tibial (fibular and medial and lateral p[lantar) >anterior tibial (dorsalis pedis)

Question 51

is small saphenous vein medial or lateral

Answer 51

lateral

Question 52

does the small saphenous vein go all the way down

Answer 52

no, it is lateral and stops near knee