L22: Anterior Abdominal Wall

Question 1

superior border of abdomen

Answer 1

costals 7-12

xiphoid process

Question 2

inferior border of abdomen

Answer 2

pubic bone
iliac crest
L4

Question 3

umbilicus border of abdomen

Answer 3

level of L3-4

Question 4

linea alba

Answer 4

located along midline

Question 5

linea semilunaris

Answer 5

scalloped lateral border on each side of rectus abdominis

Question 6

linea transversa

Answer 6

tendinous bands of rectus abdominis

lines that create 6 pack

Question 7

quadrants of abdomen

Answer 7

upper right and left

lower right and left

Question 8

number the 9 regions of the abdomen

Answer 8

1 3 2
4 6 5
7 9 8

Question 9

planes dividing abdomen into 9 regions

Answer 9

vertical – left and right midclavicular planes

horizontal – transpyloric and intertubercular planes

Question 10

transpyloric plane

Answer 10

between xiphoid and umbilicus

Question 11

intertubercular plane

Answer 11

runs thru both iliac crests and level L5

Question 12

regions containing just the liver

Answer 12

1 and 2

right and left hypochondriac regions

Question 13

regions containing - liver, stomach, pancreas

Answer 13

3

epigastric region

Question 14

regions containing ascending and descending colon

Answer 14

4 and 5

right and left lateral/lumbar regions

Question 15

regions containing small intestine and transverse colon

Answer 15

6

umbilical region

Question 16

region containing ileocecal junction and appendix

Answer 16

7

right inguinal region

Question 17

region containing sigmoid colon

Answer 17

8

left inguinal region

Question 18

regions containing small intestine, bladder, uterus

Answer 18

9

hypogastric region

Question 19

list the regions in the way they are numbered on the body

Answer 19

right hypochondriac
epigastric
left hypochondriac
right lumbar
umbilical
right lateral
right inguinal
hypogastric
left inguinal

Question 20

motor and cutaneous innervation of ab muscles

Answer 20

ventral rami T7-L1

Question 21

thoracoabdominal nerves

Answer 21

ventral rami T7-11

Question 22

thoracoabdominal nerves to ?

Answer 22

T7 – xiphoid
T10 – belly button
L1 – pubic symphysis

Question 23

ventral ramus L1 gives rise to 2 nerves

Answer 23

Iliohypogastric n

ilioinguinal n

Question 24

camper’s fascia

Answer 24

superficial subcutaneous fascia

Question 25

scarpa's fascia

Answer 25

deep subcutaneous fascia

Question 26

subcutaneous fascia

Answer 26

= superficial divided into superficial and deep

Question 27

deep fascia

Answer 27

thin layer covering anterior surface of ab muscles

Question 28

transversalis fascia

Answer 28

deep to transverse abdominis | fibroelastic Ct and adipose

Question 29

list layers of abdominal wall

Answer 29

``` subcutaneous fascia deep fascia transversalis fascia extraperitoneal fat peritoneum = parietal peritoneum ```

Question 30

arterial supply above umbilicus

Answer 30

post. intercostals subcostal lumbar art. terminal branches of interal thoracic

Question 31

terminal branches of internal thoracic artery

Answer 31

musculophrenic art | sup. epigastric art

Question 32

arteria supply below umbilicus

Answer 32

branches of external iliac arteries and branches of femoral arteries

Question 33

branches of external iliac arteries

Answer 33

deep epigastric | deep circumflex

Question 34

branches of femoral arteries

Answer 34

all 3 are superficial- - epigastric - circumflex - external pudendal

Question 35

venous drainage is via ?

Answer 35

superficial and deep veins

Question 36

superficial veins

Answer 36

are broken down into whether they are above or below umbilicus

Question 37

deep veins

Answer 37

are paired w/ arteries

Question 38

superficial veins above

Answer 38

drain into internal thoracic vein

Question 39

superficial veins below

Answer 39

drain into : femoral veins external iliac veins

Question 40

lymphatic drainage above

Answer 40

drain into axillary and sternal nodes

Question 41

lymphatic drainage below

Answer 41

drain into superficial inguinal nodes

Question 42

anterior abdominal muscles

Answer 42

external obliques internal obliques transversus abdominis rectus abdominis

Question 43

anterior abdominal muscles are ?

Answer 43

large flat sheets connecting rib and hip bones

Question 44

anterolateral muscles

Answer 44

obliques | trans. ab

Question 45

vertical oriented muscles

Answer 45

rectus ab

Question 46

innervation of ant. ab muscles

Answer 46

lower intercostal n subcostal spinal n first lumbar n

Question 47

external oblique - origin/insertion

Answer 47

external ribs 5-12 linea alba pubic tubercle ant. iliac crest

Question 48

external oblique - action/innervation

Answer 48

compress and support organs flex, rotate trunk T7-11, subcostal n

Question 49

internal oblique - origin/insertion

Answer 49

thoracolumbar fascia ant. 2/3s iliac crest lat. 1/2 iliac lig. linea alba pubic crest pubis

Question 50

internal oblique - action/innervation

Answer 50

compress, support viscera T7-11, subcostal n, L1

Question 51

transversus abdominis - origin/insertion

Answer 51

internal costal 7-12 thoracolumbar fascia iliac crest lat. inguinal lig linea alba pubic crest pubic

Question 52

transversus abdominis - action/innervation

Answer 52

compress, support viscera T7-11 subcostal n l1

Question 53

rectus abdominis - origin/insertion

Answer 53

pubic symphysis pubic crest xiphoid process costal cartilage 5-7

Question 54

rectus abdominis - action/innervation

Answer 54

compress, support viscera flex trunk t7-11 subcostal n

Question 55

arcuate line

Answer 55

midway between umbilicus and pubis

Question 56

inguinal ligament

Answer 56

thickened lower border of external oblique anterior iliac spine to pubic tubercle

Question 57

formed by aponeuroses of internal obliques

Answer 57

rectus sheath covers rectus ab in lower abdomen

Question 58

oblique passage thru lower abdominal wall

Answer 58

inguinal canal

Question 59

the inguinal canal transmits

Answer 59

spermatic cord - males | round lig. of uterus - female

Question 60

the inguinal canal extends between ?

Answer 60

superficial and deep inguinal rings

Question 61

4 types of hernias

Answer 61

direct inguinal - old men indirect inguinal - young men femoral - females umbilical

Question 62

midline peritoneal fold above bladder

Answer 62

median umbilical fold contains median umbilical lig.

Question 63

remnant of embryonic urachus

Answer 63

median umb lig

Question 64

paired peritoneal folds on either side of median

Answer 64

medial umbilical fold contains medial umb lig

Question 65

remnants of umb arteries

Answer 65

medial umb ligaments

Question 66

paired peritoneal folds lateral to medial folds

Answer 66

lateral umb folds contains inf. epigastric vessesl

Question 67

from deep inguinal to arcuate line

Answer 67

inf. epigastric vessels

Question 68

attaches liver to anterior ab wall and to inf. surface of diaphragm

Answer 68

falciform ligament contains ligamentum teres hepatis

Question 69

remnant of left umb vein

Answer 69

ligamentum teres hepatic | round lig. of liver

Question 70

list the folds of the posterior surface of the anterior abdominal wall

Answer 70

median medial lateral umb folds falciform lig.