Posterior wall Of Abdomen Flashcards

0
Q

The para vertebral gutters are where

A

Either side of the lumbar vertebral column

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1
Q

Posterior abdominal wall is composed of what

A
Five lumbar vertebrae
Diaphragm
Thoracolumbar fascia
Lumbar plexus 
Posterior abdominal muscles 
- psoas
- quadratus lumborum
- iliacus
- transverse abdominal
- lateral oblique muscles
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2
Q

The deepest part of the para vertebral gutters is occupied by what

A

The kidneys

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3
Q

What lies in the anteriorly protruding vertebral column

A

The abdominal aorta

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4
Q

In lean individuals where is the abdominal aorta

A

Close to the anterior abdominal wall

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5
Q

What covers the posterior abdominal wall

A

A continuous layer of endoabdominal fascia

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6
Q

The psoas facia covers what

A

Psoas major

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7
Q

What is very long and foes all the way to the femur

A

The psoas fascia

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8
Q

What is thick and strong in the lumbar region and thin and transparent in the region where it covers the thoracic parts of the deep muscle

A

Thoracic bar fascia

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9
Q

the anterior layer of the thoracolumbar fascia covers what

A

Quadratus lumborum

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10
Q

When the following of these are diseased what happens what follows

Pancreas
Lumbar lymph nodes
Ureters
Cecum
Sigmoid colon
A

Movement of the iliopsoas is painful

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11
Q

Iliopsoas test

A

Having someone lie on their side and push their leg against the resistance of a hand, if pain occurs intra- abdominal inflammation may be present

Inflamed appendix- right psoas pain

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12
Q

What may cause spasm of the iliopsoas as a protective reflex

A

Disease of the intervertebral and sacral joints

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13
Q

Tb of vertebral column is what

A

Very common

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14
Q

Hematogenous spread

A

Infection spreading through the blood to the vertebrae

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15
Q

An abscess form TB in the lumbar region can do what

A

Spread from the vertebrae into the psoas sheath where it can make a psoas abscess

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16
Q

Pus from a psoas access usually surfaces where

A

In the thigh

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17
Q

What is another way that pus can reach the psoas sheath

A

By passing from the posterior part of the manubrium when the thoracic vertebrae is diseased

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18
Q

The posterior abdominal wall has what kind of nervous system

A

Autonomic and somatic

19
Q

Partial lumbar sympathectomy

A

When the surgeon splits the muscles of the anterior abdominal wall and moves the peritoneum medically and exposes the edge of the psoas major

20
Q

The relationship of the sympathetic trunk to the aorta and Ivc can make these large vessels do what

A

Be vulnerable to injury during lumbar sympathectomy

21
Q

The lumbar plexus nerve network is composed of what

A

Anterior rami l1-l4

22
Q

Femoral nerve

A

L2-l4 comes from the lateral border of the psoas major

23
Q

Obturator nerve

A

L2-l4 from the medial border of the psoas major and goes to the lesser pelvis

24
Q

What passes over the ala(wing) of the sacrum and descends to the pelvis to form the sacral plexus with anterior rami s1-s4

A

Lumbosacral trunk

25
Q

What nerves run superior and parallel to the Iliad crest and pierce the transverse abdominal near the anterior superior iliac spin (Asia)

A

Ilioinguinal

Iliohypogastric

26
Q

What nerve perches the psoas major and runs inferiority on its anterior surface

A

Genitofemoral nerve

27
Q

Which nerve runs along the iliacus and enters the thigh deep to the inguinal ligament

A

Lateral femoral cutaneous nerve

28
Q

What nerve is only present 10% of the time

A

Accessory Obturator nerve

29
Q

Length of abdominal aorta

A

13cm

30
Q

Abdominal aorta begins where

A

At the abdominal hiatus in the diaphragm (t12) and ends at the level of L4 because it divides into right and left

31
Q

Just before leaving the abdomen the external iliac artery gives rise to what

A

Deep circumflex a. And inferior epigastric a.

32
Q

Since the aorta lies posterior to the pancreas and sto,ach what in these organs could cause pulsation of the aorta

A

A tumor

33
Q

Deep palpating of the mid abdomen can detect what

A

Aneurysm

34
Q

What is associated with acute rupture of an abdominal aortic aneurysium?

A

Severe pain in the abdomen or back

35
Q

Acute ruptures aneurysm of the aorta have what percent of fatality if not detected

A

90% because of heavy blood loss

36
Q

In small children or thin people you can press on the inferior part of the abdomen to do what

A

Stop bleeding in the lower limbs or pelvis

37
Q

The site of aortic bifurcation is indicated where

A

Just left of the midpoint of the line joining the highest points of the lilac crest

38
Q

There are how many collateral routes for blood to return to the heart if the Ivc is blocked

A

3

  • inferior epigastric vein
  • superior epigastric vein
  • thoracoepigastric vein
39
Q

What is fairly common and can occur inferior to the renal veins

A

Left Ivc

During development these veins should have disappeared

40
Q

Where are the lymphatic vessels in the posterior abdominal wall

A

On aorta, Ivc, and iliac vessels

41
Q

Where do the common iliac lymph receive lymph from

A

External and interns

Iliac lymph nodes

42
Q

Whree does the inferior end of the thoracic duct lie

A

Anterior to the bodies of l1-l2

43
Q

What part of the thoracic duct varies greatly in size

A

The chyle cisterns

44
Q

All the lymph from the lower part of the body converges and goes to where

A

Thoracic duct

45
Q

What does the thoracic duct ascend thorough

A

The aortic hiatus in the diaphragm

46
Q

The thoracic duct ends when it enters where

A

At the junction of left subclavian vein and internal jugular vein