2.4 Spinal Nerve (II) Part 2

Question 1

What are the two divisions of the lumbar plexus?

Answer 1

anterior
posterior

Question 2

What do the nerves of the lumbar plexus supply?

Answer 2

pelvis
lower extremities

Question 3

What is the major nerve of the lumbar plexus?

Answer 3

femoral nerve

Question 4

What does the femoral nerve supply?

Answer 4

hip flexors
knee extensors
sensation to the skin of the anterior thigh

Question 5

What does the lateral femoral cutaneous nerve supply?

Answer 5

sensory information from the skin of the anterior, lateral, and posterior surfaces of the thigh

Question 6

What does the saphenous nerve supply?

Answer 6

receives information from the medial surface of the leg

Question 7

What are the three important nerves of the lumbar plexus?

Answer 7

femoral
lateral femoral cutaneous
saphenous

Question 8

Where do the sacral plexus nerves arise from?

Answer 8

ventral Rami of L4-S4

Question 9

What are the important nerves of the sacral plexus?

Answer 9

sciatic nerve
common fibular nerve
tibial nerve

Question 10

What is the largest nerve in the human body?

Answer 10

sciatic nerve

Question 11

What does the sciatic nerve supply?

Answer 11

inferior trunk
posterior surface of the thigh

Question 12

What are the two main branches of the sciatic nerve?

Answer 12

common fibular nerve
tibial nerve