Lecture 17- Nerves, Arteries and veins of LE

Question 1

What are the nerves of the lumbosacral plexus

Answer 1

(t12)L1 to s4

Question 2

What is the lumbar plexus

Answer 2

(T12)L1-L4

Question 3

What is the sacral plexus

Answer 3

L4/L5-S4

Question 4

What are the branches of the first Lumbar nerve

Answer 4

Iliohypogastric, Ilioinguinal, genitofemoral

Question 5

From wich roots does the femoral nerve come from

Answer 5

L2,L3,L4

Question 6

From which roots does the obturator nerve come from

Answer 6

L2,L3,L4

Question 7

Which root innerve the lumbosacral trunk

Answer 7

1/2 of L4 and all of L5

Question 8

Which root innerve the superior gluteal nerve

Answer 8

L4,L5,S1

Question 9

Which root innerve the inferior gluteal nerve

Answer 9

L5,S1,S2

Question 10

Which root innerve the Sciatic nerve

Answer 10

L4-S3

Question 11

Which root innerve the tibial nerve

Answer 11

L4-S3

Question 12

Which root innerve the common peoneal n.

Answer 12

L4-S2, superficial ad deep

Question 13

What are the branches of the internal iliac artery

Answer 13

Superior gluteal a., inferior gluteal a., obturator a

Question 14

What is the branch of the external iliac artery

Answer 14

femoral artery

Question 15

What are the branches of the femoral artery

Answer 15

Profunda femoris a., lateral femoral circumflex a., medial femoral circumflex a., perforating arteries

Question 16

What arteries branch off from the Popliteal artery

Answer 16

Genicular artery, anterior tibial artery, posterior tibial artery

Question 17

What arteries branch off from the Posterior tibial artery

Answer 17

Peroneal (fiburlar) artery, Medial plantar artery, lateral plantar artery

Question 18

What arteries branch off from the anterior tibial artery

Answer 18

Dorsalis pedis artery and dorsal arch

Question 19

Where does the great saphenous vein has to pass

Answer 19

The saphenous ring

Question 20

What are the venae comitantes

Answer 20

It’s two or more smaller vessels which accompany an artery in a common vascular sheath. (accompagnying or companion veins)