Unit 3- Neurovascular Structures Of The Thigh

Question 1

Femoral nerve roots

Answer 1

L2-4

Question 2

Largest branch of the lumbar plexus

Answer 2

Femoral nerve

Question 3

Femoral nerve forms in the:

It passes beneath the:

Answer 3

Psoas muscle in the abdomen

Mid part of the inguinal canal

Question 4

What happens to the femoral nerve in the femoral triangle

Answer 4

It divides into terminal branches to the anterior thigh muscles

Question 5

Femoral nerve sends articular branches to the:

Answer 5

Hip and knee joints

Question 6

Distal extension of the femoral nerve

Answer 6

Saphenous nerve

Question 7

Saphenous nerve passes though

Answer 7

The adductor canal with the femoral artery and vein

Question 8

Saphenous nerve is proximal to the

Answer 8

Adductor hiatus- it passes between the sartorius and gracilis

Question 9

Saphenous nerve supplies

Answer 9

Sensory innervation to the anterior-medial aspect of the knee and foot

Question 10

Obturator nerve roots

Answer 10

L2-4

Question 11

Obturator nerve passes on the:

Answer 11

Medial border of the psoas and enters the obturator foramen

Question 12

Where does the obturator nerve split into ant and post branches?

Answer 12

Adductor brevis in between

Question 13

Anterior branch of the obturator nerve supplies

Answer 13

Adductor longus
Adductor brevis
Gracilis
Pectineus

Question 14

Post branch of the obturator nerve innervates

Answer 14

Obturator externus

Adductor magnus

Question 15

An extension of the external iliac artery beyond the inguinal ligament

Answer 15

Femoral artery

Question 16

Distal to the inguinal ligament, the femoral artery produces:

Answer 16

Superficial epigastric artery
Superficial (& sometimes deep) circumflex iliac artery
Superficial and deep external pudendal arteries

Question 17

Pathway of the femoral artery

Answer 17

Descends on adjacent border of iliopsoas and Pectineus (floor of the femoral triangle)
Bisects the femoral triangle - enters the adductor canal deep to sartorius at the apex

Question 18

After passing through the _____ ____, the femoral artery becomes the:

Answer 18

Adductor hiatus

Popliteal artery

Question 19

Branches of the femoral artery

Answer 19

Superficial circumflex iliac artery

Superficial epigastric artery

Deep artery of thigh (deep femoral)

Lateral circumflex femoral art

Obturator art

Medial circumflex femoral art

Question 20

Perforating arteries come off of:

They supply what compartment?

Answer 20

Medial circumflex of femoral art

Medial compartment

Question 21

Deep femoral (profunda femoris) arises where?

Answer 21

Femoral triangle

Question 22

Profunda femoris- perforating branches pass:

Answer 22

Posterior to the femus to the adductor magnus,
Hamstrings,
And vastus lateralis (all 3 compartments of the thigh)

Question 23

Circumflex branches arise from:

Answer 23

femoral artery and encircle the femur and anastomose

Question 24

Circumflex branches are at risk in:

Answer 24

Femoral next fractures and dislocations

Question 25

Lateral branch of the femoral artery supplies

Answer 25

Muscles lateral to the hip

Question 26

Medial branch of the femoral artery supplies

Answer 26

Head and neck of the femur as posterior retinacular arteries

Question 27

Obturator artery usually arises from

Answer 27

Internal iliac artery ~20% of people have an enlarges pubic branch of the inf epigastric art, which will replace the obturator art

Question 28

Obturator art supplies the

Answer 28

Obturator externus Pectineus Adductors Gracilis

Question 29

Pathway of obturator art

Answer 29

Enters the medial compartment of the thigh through obturator foramen (canal) To splits into and and post branches in the medial thigh- surrounding the adductor brevis

Question 30

The post branch of the obturator art supplies the

Answer 30

Femoral head (acetabulum branch)

Question 31

The femoral vein is a continuation of the:

Answer 31

Popliteal veins ascending in the adductor canal

Question 32

The femoral vein runs ______ to the femoral artery

Answer 32

Posterior

Question 33

Where does the femoral vein enter the femoral sheath?

Answer 33

Lateral to the adductor canal

Question 34

The femoral vein becomes the: Where?

Answer 34

External iliac vein At the inguinal ligament

Question 35

What forms the deep vein of the thigh? Where?

Answer 35

The union of the deep perforating veins joining the femoral vein Inferior to the inguinal ligament

Question 36

What and where does to great saphenous vein join to?

Answer 36

Distal to the inguinal ligament

Question 37

Sensory nerves of the gluteal region

Answer 37

Counsel nerves

Question 38

Superior nerves are cutaneous branches of:

Answer 38

Posterior rami of L1-L3

Question 39

Pathway of superior cluneal nerves

Answer 39

Runs inferolaterally across the iliac crest

Question 40

Sup cluneal nerves supply the:

Answer 40

Superior buttock as far as the tubercle of the iliac crest

Question 41

Pathway of the middle cluneal nerves

Answer 41

cutaneous branches of post rami of S1-3 | Exit through the post sacral foramen, sacrum adjacent to buttock

Question 42

Pathway of the inf clunael nerves

Answer 42

Cutaneous branches of post rami of S2-3 exit inf border of the glut maximus ascends inf buttock as for as the greater trochanter

Question 43

What are the deep gluteal nerves branches of?

Answer 43

sacral plexus

Question 44

Where do the deep gluteal nerves exit?

Answer 44

via the greater sciatic foramen

Question 45

All deep gluteal nerves emerge where?

Answer 45

inferior to the piriformis except of the sup gluteal nerve

Question 46

Superior gluteal nerve comes from post divisions of the anterior rami of:

Answer 46

L4-L5

Question 47

Inferior gluteal nerve has post division of the anterior rami of:

Answer 47

L5-S2

Question 48

Where does the superor gluteal nerve enter?

Answer 48

the gluteal region via the greater sciatic foramen, superior to the piriformis

Question 49

Where does the inf gluteal nerve enter?

Answer 49

The gluteal region via the greater sciatic foramen, INFERIOR to the piriformis and deep to the inf gluteus max

Question 50

The superior gluteal nerve runs between what?

Answer 50

the glut medius and max with the deep branch of the sup gluteal art

Question 51

THe inf gluteal nerve runs superficial to:

Answer 51

the sciatic nerve accompanied by branches of the inf gluteal art

Question 52

The inf gluteal nerve splits into:

Answer 52

several muscular branches

Question 53

What does the superior glut nerve innervate?

Answer 53

Gluteus medius Gluteus min Tensor of the fascia lata

Question 54

What does the inf glut nerve innervate?

Answer 54

glut maximus

Question 55

What is the sciatic nerve formed by?

Answer 55

anterior and posterior divisions of L4-S3

Question 56

What is the largest nerve in the body

Answer 56

Sciatic nerve

Question 57

Where do the rami converge to form the sciatic nerve?

Answer 57

at the inf border of the piriformis

Question 58

what runs medial to the sciatic nerve?

Answer 58

Inf gluteal nerve, art, and vein and the internal pudendal vessels and pudendal nerve

Question 59

Where does the sciatic nerve pass?

Answer 59

beneath the gluteus max, midway between the greater trochanter and ischial tuberosity resting on the ischium

Question 60

Arterial supply to the sciatic nerve

Answer 60

Artery to the Sciatic Nerve

Question 61

(T/F) The sciatic nerve supplies part of the gluteal region

Answer 61

False

Question 62

What does the sciatic nerve supply via the tibial section?

Answer 62

Post thigh muscles (except short head of the biceps femoris)

Question 63

The sciatic nerve continues ______ to supply

Answer 63

distally all the leg and foot muscles and sensation to MOST of the leg and foot

Question 64

What branches of the sciatic nerve share a common sheath that splits in the superior popliteal fossa?

Answer 64

Tibial and common fibular branches

Question 65

The internal iliac iliac artery branches supply the gluteal region via the:

Answer 65

superior gluteal artert inferior gluteal artery internal pudendal artery

Question 66

The superior gluteal artery exits the pelvis via the: | (SUP/INF) to the piriformis

Answer 66

greater sciatic foramen sup to the piriformis

Question 67

After passing through the greater sciatic notch, the supt gluteal artery immediately divides into:

Answer 67

superfical and deep branches

Question 68

The superficial branch of the sup glut art supplies what muscles

Answer 68

gluteus max subcutaneous tissue

Question 69

The deep branch of the sup glut art supplies what muscles

Answer 69

glut medius glut minimus tensor of the fascia lata

Question 70

The internal pudendal artery arises from the: it lies:

Answer 70

internal iliac art ant to the inferior gluteal art

Question 71

What does the internal pudendal arter run parallel to?

Answer 71

the pudendal nerve entering the gluteal region via the greater sciatic foramen inf to the piriformis

Question 72

the internal pudendal art crosses the __________ ligament and enters the perineum via the:

Answer 72

ischial spine/sacrospinous ligament lesser sciatic foramen

Question 73

the internal pudendal art supplies:

Answer 73

skin of the external genitalia and perineal muscles

Question 74

branches of the internal iliac artery

Answer 74

lateral sacral sup gluteal inf gluteal internal pudendal middle rectal Uterine (F) or Art to ductus deferens (M) Vaginal (F) or inf vescical (M) Obturator A Superior vesical Obliterated umbilical

Question 75

4 perforating arteries come from the

Answer 75

profunda femoris

Question 76

the perforating arteries perforate what?

Answer 76

the aponeurotic portion of the distal attachment o fthe adductor magnus to enter the post compartment

Question 77

What do the perforating arteries supply in the post compartment?

Answer 77

Hamstring muscles and anasomotic branches to the inf gluteal and popliteal arteries

Question 78

Perforators transverse the post compartment to pierce the ______ _____ _____ to enter the ant compartment to supply the:

Answer 78

Lateral intermuscular septum Vastus lateralis

Question 79

Gluteal veins are tributaries of the:

Answer 79

internal iliac veins

Question 80

Superior and inf gluteal veins accompany art through the:

Answer 80

greater sciatic foreamen sup AND inf to the piriformis muscle

Question 81

Internal pudendal veins accompany the ______ arteries and drain into the:

Answer 81

internal internal iliac vein

Question 82

Lymphatic drainage follows the _____ _____ to the _______ _____ ___ ___ These drain to the: These drain to the:

Answer 82

gluteal vessels inf and sup gluteal nodes common iliac nodes peri-aortic nodes