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S&F IV: Exam One > Posterior Abdomen > Flashcards

Posterior Abdomen Flashcards

1
Q

Psoas Major

A

O-Lumbar vertebrae; intervertebral discs

I- Lesser trochanter of femur

A- Flexes thigh and trunk

N- L2-L4 via Lumbar Plexus

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2
Q

Psoas Minor

A

O- T12-L1; intervertebral discs

I- Iliopubic eminence

A- Weak flexor of trunk

N-L1

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3
Q

Iliacus

A

O-Iliac fossa

I- Lesser trochanter (via Illiopsoas tendon)

A- Flexes thigh and trunk

N- L2-L4 (femoral nerve)

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4
Q

Median arcuate ligament

A

Unites the Right and left cura; connects the cura anterior to the aorta

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5
Q

Medial arcuate ligament

A

Superior thickening of the psoas fascia

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6
Q

Lateral Arcuate Ligament

A

Superior thickening of the quadratus lumborum fascia

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7
Q

Paranephric fat

A

Large amount of fat found only posterior to the kidney

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8
Q

Blood supply to Adrenal Glands

A

Superior Suprarenal Artery- from inferior phrenic

Middle Suprarenal Artery- from Aorta

Inferior Suprarenal Artery- from Renal

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9
Q

Left Renal Vein

A

Receives drainage from the left testicular/ovarian and left superior suprarenal veins

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10
Q

Subcostal Nerve

A

Level = T12

Distribution= Skin and muscles of anterolateral abdominal wall

Course= Passes beneath lateral arcuate ligament and courses laterally

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11
Q

Iliohypogastric Nerve

A

L= L1

D= Skin of upper inguinal and suprapubic region; internal oblique and transversus abdominus muscles

C=Course inferolaterally anterior to quadratus lumborum

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12
Q

Ilioinguinal Nerve

A

L= L1

D= Skin of lower inguinal region, groin, and medial thigh; internal oblique and transversus abdominus muscles

Course inferolaterally anterior to quadratus lumborum

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13
Q

Damaged on lumbar approach to kindey

A

Subcostal, ilioinguinal, and iliohypogastric nerves

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14
Q

Genitofemoral Nerve

A

L= L1, L2

D= Genital branch; motor to cremaster
Femoral branch; skin of medial thigh

*Pierces the psoas, courses inferiorly on the ANTERIOR PSOAS, abd separates

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15
Q

Lateral Femoral Cutaneous Nerve

A

L= L2, L3

D= Skin of lateral and anterior thigh

*Courses inferolaterally on illacus muscle

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16
Q

Femoral Nerve

A

L= L2-L4

D= Anterior thigh muscles

*Descends b/w ilacus and psoas

17
Q

Obturator Nerve

A

L= L2-L4

D= Medial thigh muscles

*Courses on medial border of psoas

18
Q

Lumbosacral Trunk

A

L= L4-L5

D= Joins sacral plexus

19
Q

Illiopsoas Test

A

Patient flexes thigh against resistance

Pain? => Inflammation involving the psoas
-Could be appendicitis

20
Q

Three Sites of Ureter Constriction

A
  1. Uretopelvic Jnxn
  2. Pelvic Inlet (b/w external and internal illiac arteries)
  3. Entrance to bladder
    * Potential sites for lodging of kidney stone
21
Q

Horseshoe Kidney

A

Fusion of the lower poles of the two kidneys; blocks urine flow

22
Q

Rosette Kidney

A

Fusion of kidneys at their hila; remain in pelvis

23
Q

Bifid Ureter

A

Ureters join in the lower 1/3 of their course; Increase potential for infxn or calculus

24
Q

Quadratus Lumborum

A

O- Iliolumbar ligament; posterior iliac crest

I- Transverse processes of upper four L-vertebrae

A- Bends trunk laterally; fixes 12th rib during inspiration

N-T12-L4

25
Q

Origin of Central Tendon of Diaphragm

A

Septum transversum

26
Q

IVC foramen

A

T8

Contains IVC and right phrenic nerve

27
Q

Esophageal Hiatus

A

T10

Contains the esophagus, vagal trunks, esophageal branches of left gastric artery

28
Q

Aortic Hiatus

A

T12

Contains the aorta, thoracic duct, and azygous vein

29
Q

Greater Splanchnic Nerve

A

Enters the celiac ganglion; will be large

30
Q

Fundiform ligament of the penis

A

Formed by Scarpa’s fascia

31
Q

Connected by the median umbilical fold

A

Anterior abdominal wall and the bladder

32
Q

Peritoneal Fossa

A

Depressions found lateral to the lateral umbilical folds

S&F IV: Exam One (20 decks)

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