GA1 - Posterior abdominal wall

Question 1

posterior abdominal wall mainly composed of ___ vertebrae and IVDs

Answer 1

lumbar

Question 2

muscles of the posterior abdominal wall (5)

Answer 2

psoas major
quadratus lumborum
iliacus
transversus abdominis
abdominal obliques

Question 3

posterior abdominal wall has the ___ plexus

Answer 3

lumbar

Question 4

posterior abdominal wall includes the ___

Answer 4

diaphragm

Question 5

origin of psoas major

Answer 5

TPS of lumbar vertebrae and intervening IVDs

Question 6

insertion of psoas major

Answer 6

lesser trochanter of femur

Question 7

action of psoas major

Answer 7

flexes thigh

flexes trunk when thighs are fixed

Question 8

nerve supply of psoas major

Answer 8

ventral rami of L2-L4

Question 9

psoas minor absent in ___ percent of people

Answer 9

40

Question 10

origin of psoas minor

Answer 10

sides of bodies of T12 and L1

Question 11

insertion of psoas minor

Answer 11

iliopubic eminence

Question 12

action of psoas minor

Answer 12

flexes the pelvis on the trunk

Question 13

why psoas minor doesnt flex the thigh

Answer 13

doesnt cross the hip joint

Question 14

nerve supply of psoas minor

Answer 14

L1 and L2 ventral rami

Question 15

origin of iliacus

Answer 15

superior 2/3 of the iliac fossa
ala of the sacrum
anterior SI ligament

Question 16

insertion of iliacus

Answer 16

tendon of the psoas major

lesser trochanter

Question 17

tendon of the psoas major called ____ ___ after it crosses the inguinal ligament

Answer 17

psoas muscle

Question 18

action of the iliacus

Answer 18

flexes the thigh

flexes the pelvis on the trunk

Question 19

nerve supply of the ilacus

Answer 19

femoral nerve L2, L3, L4

Question 20

origin of quadratus lumborum

Answer 20

iliolumbar ligament

iliac crest

Question 21

insertion of the quadratus lumborum

Answer 21

medial half of 12th rib and tips of lumbar TPs

Question 22

action of quadratus lumborum

Answer 22

extends and laterally flexes the vertebral column

Question 23

nerve supply of quadratus lumborum

Answer 23

ventral rami of T12-L4

Question 24

1st paired artery of the abdominal aorta is the ___ ___

Answer 24

inferior phrenic

Question 25

suprarenal artery is ____

Answer 25

paired

Question 26

common hepatic artery is ____

Answer 26

unpaired

Question 27

gastric artery is ___

Answer 27

paired

Question 28

proper hepatic is ___

Answer 28

unpaired

Question 29

gastroduodenal is ____

Answer 29

unpaired

Question 30

splenic artery is ___

Answer 30

unpaired

Question 31

inferior suprarenal is ____

Answer 31

unpaired

Question 32

superior mesenteric is ___

Answer 32

unpaired

Question 33

lumbar arteries are ___

Answer 33

paired

Question 34

inferior mesenteric is ___

Answer 34

unpaired

Question 35

renal artery is ___

Answer 35

paired

Question 36

middle suprarenal is ____

Answer 36

paired (2nd pair)

Question 37

testicular/ovarian/gonadal artery is ___

Answer 37

paired

Question 38

common iliac is ____

Answer 38

paired (last pair)

Question 39

IVC is to the ___ of the vertebral column

Answer 39

right

Question 40

IVC extends from ___ to ___

Answer 40

L4

T8

Question 41

IVC begins with the union of the ___ ___ veins

Answer 41

common iliac

Question 42

IVC ends a it pierces the ___

Answer 42

diaphragm

Question 43

L gonadal vein drains into the ___ ___

Answer 43

left renal

Question 44

R gonadal vein drains into the ___

Answer 44

IVC

Question 45

superior mesenteric and the splenic come together to form the ___ vein

Answer 45

portal

Question 46

inferior mesenteric drains into ____

Answer 46

splenic

Question 47

left and right gastric drain into the ___ veins

Answer 47

portal