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GI GU Repro > Anatomy - Posterior Abdominal Wall > Flashcards

Anatomy - Posterior Abdominal Wall Flashcards

1
Q

The abdominal cavity is bordered posteriorly by the […], superiorly by the […], and inferiorly by the […].

A

Thoracic and lumbar vertebrae

Diaphragm / ribs

Iliac blades

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2
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A
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5
Q

What are two lower limb maneuver tests you can do to test for appendicitis?

A

Psoas sign - retrocecal appendix that is inflamed –> pain signals come from somatic nerves innervating psoas muscle –> pain with extension of leg

Obturator sign –> pelvic appendix (inferior to cecum) that is inflamed –> pain signals come from somatic nerves innervating obturator muscle –> pain with flexion and internal rotation of leg

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6
Q

For each hiatus:

  • Name
  • What passes through it
  • What level of spine
A

IVC – T8

Esophagus – T10

Aorta and thoracic duct – T12

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7
Q
A
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8
Q

The blood supply to the diaphragm comes from the […] arteries.

A

Superior and inferior phrenic

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9
Q

The inferior phrenic arteries come off the […].

A

Aorta

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10
Q

What two arteries branch off the inferior phrenic artery?

A

Superior adrenal or suprarenal arteries

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11
Q
  • The diaphragm muscle is innervated by the […].
  • The […] pierces the diaphragm by wrapping around the esophagus.
  • What other important nerves pierce the diaphragm?
A

phrenic nerve

vagus nerve

The greater, lesser, and least splanchnic nerves and the sympathetic chain

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12
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A
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13
Q
  • The abdominal aorta bifurcates into the common iliac arteries at about the […] level.
  • The celiac trunk is at about the level of […], with the SMA […] at and the renal arteries at […].
  • The IMA comes off at about […].
A

L4/L5

T12; L1 ; L1/L2

L3

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14
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16
Q

Where do abdominal aortic aneurysisms most commonly occur?

A

Just superior to bifurcation, between renal and iliac arteries

17
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A
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A
19
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A
20
Q

What is an IVC filter?

A
21
Q

Lymphatic drainage often follows […], so to guess where cancer in a certain organ is likely to metastasize to, follow the […].

A

veins

venous drainage

22
Q
A
23
Q
A
24
Q
A
25
Q

For each nerve, state which spinal cord level(s) it arises from:

  • Subcostal
  • Iliohypogastric
  • Ilioinguinal
  • Genitofemoral
  • Lateral femoral cutaneous
  • Femoral
  • Obturator
A
  • T12
  • T12-L1
  • T12-L1
  • L1
  • L2-L3
  • L2 - L4
  • L2 - L4
26
Q
  • The genitofemoral nerve is almost always right on the surface of the […] muscle.
  • The femoral nerve is usually visible just lateral and deep to the […] muscle.
  • The lateral femoral cutaneous nerve is a bit more superior, running laterally on the surface of the […] muscle.
  • The iliohypogastric and ilioinguinal nerves are even more superior, usually just superior to the […].
A
  • psoas
  • psoas
  • iliacus
  • iliac crest
27
Q
A
28
Q
A
29
Q
  • The ilioinguinal and iliohypogastric nerves are two branches of the […].
  • They both provide some motor innervation to the […].
  • Both have some sensory territory – the iliohypogastric along […] and the ilioinguinal on the […].
A
  • L1 ventral ramus
  • Lower abdominal muscles
  • The skin overlying the inguinal canal; superior-most skin of the medial thigh
30
Q
A
31
Q
  • The genitofemoral nerve runs along the anterior surface of the […] and then divides into a […] branch and a […] branch.
A

Psoas muscle; genital; femoral

32
Q

The genital branch of the genitofemoral nerve provides motor innervation to the […] as well as sensory innervation to the […] .

A
  • cremaster muscle of the scrotal wall in people with penises
  • lateral scrotal wall
33
Q

The femoral branch of the genitofemoral nerve provides some sensory innervation to the […].

A

Skin overlying the femoral triangle

34
Q
A
35
Q

What is the sensory and motor territory of the obturator nerve?

A
36
Q

What is the sensory and motor territory of the femoral nerve?

A
37
Q
A

GI GU Repro (58 decks)

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