Posterior abdominal wall

Question 1

Subcostal nerve roots

Answer 1

T12

Question 2

Iliohypogastric and ilioinguinal nerve roots

Answer 2

L1

Question 3

genitofemoral nerve roots

Answer 3

L1, L2

Question 4

lateral femoral cutaneous nerve roots

Answer 4

L2, L3

Question 5

femoral nerve roots

Answer 5

L2-L4

Question 6

obturator nerve roots

Answer 6

L2-L4

Question 7

Lumbosacral trunk roots

Answer 7

L4, L5

Question 8

What nerves are located medial to psoas major?

Answer 8

Obturator and lumbosacral trunk

Question 9

What does the superior suprarenal arteries branch from?

Answer 9

The inferior phrenic a.

Question 10

What do the middle suprarenal arteries branch from?

Answer 10

Directly from the abdominal aorta

Question 11

What do the inferior suprarenal arteries branch from?

Answer 11

Renal arteries

Question 12

If you were to approach the left kidney posteriorly, what nerves do you need to watch out for?

Answer 12

Ilioinguinal and iliohypogastric

Question 13

What innervates the diaphragm?

Answer 13

Phrenic nerves

Question 14

What does the renal fascia cover?

Answer 14

The perinephric fat

Question 15

Is the lumbar a. paired?

Answer 15

Yes

Question 16

What innervates psoas major m?

Answer 16

anterior rami of L1-L3

Question 17

What is the function of psoas major m?

Answer 17

Flex thigh and laterally flex the vertebral column

Question 18

What innervates iliacus m?

Answer 18

Femoral n.

Question 19

What is the function of iliac m?

Answer 19

Flex thigh and stabilize the hip

Question 20

What is the innervation of quadratus lumborum?

Answer 20

anterior rami of T12 and L1-L4

Question 21

What is the function of quadratus lumborum?

Answer 21

1. ) extend/laterally flex vertebral column

2. ) keep rib 12 in place during inspiration

Question 22

What nodes do foregut structures go to?

Answer 22

celiac nodes

Question 23

What nodes do midgut structures go to?

Answer 23

superior mesenteric nodes

Question 24

What nodes do hindgut structures go to?

Answer 24

inferior mesenteric nodes

Question 25

After the first layer of nodes, where does lymph travel to?

Answer 25

Lumbar nodes -> cisterna chyli -> thoracic duct

Question 26

What are the 3 constriction points of the ureters?

Answer 26

1. ) ureteropelvic junction (UPJ) 2. ) pelvic brim - (crossing the external iliac artery) 3. ) entering the bladder wall

Question 27

What is the innervation of the adrenal glands?

Answer 27

1. ) preganglionic sympathetics of T6-L1 | 2. ) Celiac plexus, and splanchnic nerves

Question 28

What does the left suprarenal vein drain into?

Answer 28

Left suprarenal v -> L. renal v -> IVC

Question 29

What does the right suprarenal vein drain into?

Answer 29

Right suprarenal v -> IVC

Question 30

What is the motor innervation of ilioinguinal and iliohypogastric nerves?

Answer 30

IO and TA

Question 31

Where is the sensory innervation of iliohypogastric nerve?

Answer 31

posterolateral gluteal region and pubic region

Question 32

Where is the sensory innervation of the ilioinguinal nerve?

Answer 32

- upper medial thigh - anterior scrotum - labium major / mons pubis

Question 33

What is the motor innervation of genitofemoral n?

Answer 33

cremasteric m.

Question 34

Where is the sensory innervation of the genitofemoral n?

Answer 34

- Anterior scrotum - labia majora - upper anterior thigh

Question 35

Where is the sensory innervation of the lateral femoral cutaneous nerve?

Answer 35

Anterolateral thigh

Question 36

What is the motor innervation of the obturator n?

Answer 36

Adductors, obturator externes, pectineus

Question 37

What is the sensory innervation of the obturator n?

Answer 37

Medial thigh

Question 38

What is the motor innervation of the femoral n?

Answer 38

iliacus, pectinous, extensors of the leg

Question 39

Where is the sensory innervation fo the femoral n?

Answer 39

anterior thigh and medial leg