Abdomen 2 Part 2

Question 1

Posterior abdomin wall

Answer 1

-structures posterior to parietal peritoneum
-thoracolumbar fascia`

Question 2

thoracolumbar fascia

Answer 2

extensive connective tissue complex with anterior, middle, and posterior layers enveloping muscles

Question 3

muscles of the posterior abdomen wall

Answer 3

-psoas major
-psoas minor
-iliopsoas
-quadratus lumborum

Question 4

innervation of psoas major

Answer 4

anterior rami of nerves L1, L2, and L3

Question 5

innervation of iliacus muscle

Answer 5

Femoral nerve (L2-L4)

Question 6

Innervation of quadratus lumborum muscle

Answer 6

anterior branches of T12 an d L1-L4 nerves

Question 7

Diaphragm

Answer 7

musculotendinous partition separating thoracic and abdominal cavities consisting of right and left domes

Question 8

sternal part of diaphragm

Answer 8

attaches to the xiphoid process

Question 9

costal part of diaphragm

Answer 9

attaches to costal margins of ribs 6-10 and ribs 11 and 12

Question 10

lumbar part of diaphragm

Answer 10

attaches medial and lateral arcuate ligaments

Question 11

central tendon of the diaphragm

Answer 11

thin but strong aponeurosis

Question 12

crua of diaphragm

Answer 12

musculotendinous bundles that arise from L1-L3 and united anteriorly by median arcuate ligament

Question 13

caval opening in central tendon

Answer 13

passage for inferior vena cava and phrenic nerve

Question 14

esophageal hiatus of right crus

Answer 14

where esophagus and vagl trunks pass through

Question 15

aortic hiatus

Answer 15

where aorta, azygous vein, an thoracic duct pass through diaphragm

Question 16

I 8 10 eggs at 12

Answer 16

-inferior vena cava at T8
-esophagus at T10
-aorta at T12

Question 17

Diaphragm blood supply

Answer 17

-pericardiacophrenic and musculophrenic arteries of the internal thoracic arteries
-superior phrenic arteries of thoracic aorta
-inferior phrenic arteries of the abdominal aorta

Question 18

Diaphragm blood drainage

Answer 18

-pericardiacophrenic vein and musculophrenic vein empties into internal thoracic vein
-superior and inferior phrenic vein empty into inferior vena cava

Question 19

innervation of the diaphragm

Answer 19

-motor by right and left phrenic nerves from C3-C5
-sensory through intercostal and subcostal nerves

Question 20

innervation of external oblique, internal oblique, traverse abdominis, quadratus lumborum, and anterolateral skin

Answer 20

subcostal nerve

Question 21

innervation of iliopsoas

Answer 21

L1-L3

Question 22

lumbar plexus

Answer 22

network composed of anterior rami of L1-L4 spinal nerves located behind psoas muscle

Question 23

lumbar plexus forms

Answer 23

-iliohypogastric and ilioinguinal nerves
-lateral cutaneous nerve
-genitofemoral nerve

Question 24

iliohypogastric and ilioinguinal nerve

Answer 24

L1, innervates abdominal muscles of skin and pubic/inguinal regions

Question 25

lateral cutaneous nerve

Answer 25

-L2-L3 -innervates skin of anterolateral thigh

Question 26

genitofemoral nerve

Answer 26

-L1-L2 -innervates abdominal muscles and skin of genitals and anterior thigh

Question 27

2 nerves that go through inguinal canal

Answer 27

ilioinguinal nerve and the genital branch off the genitofemoral nerve

Question 28

blood supply of posterior abdominal wall

Answer 28

-subcostal arteries of thoracic aorta -4/5 pairs of lumbar arteries of the abdominal aorta

Question 29

common iliac arteries

Answer 29

terminal branches of abdominal aorta

Question 30

common iliac arteries bifurcations

Answer 30

-internal iliac arteries -external iliac iliac arteries

Question 31

internal iliac arteries supply

Answer 31

supply pelvic structures

Question 32

external iliac branches

Answer 32

-deep circumflex artery -inferior epigastric arteries

Question 33

external iliac arteries supply

Answer 33

anterolateral abdominal wall

Question 34

drainage of lower limb

Answer 34

-external iliac vein

Question 35

drainage of the pelvic region

Answer 35

-internal iliac vein

Question 36

posterior abdominal wall drained by

Answer 36

tributaries of the inferior vena cava EXCEPT left gonadal vein that empties into left renal vein

Question 37

right ascending lumbar vein becomes

Answer 37

azygous vein

Question 38

left ascending lumbar vein becomes

Answer 38

hemiazygous vein

Question 39

what produces thoracic duct

Answer 39

right and left lumbar trunks adn intestinal lymphatic trunks join at the cisterna chyli