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GI Exam 1 > Organization of the Abdomen > Flashcards

Organization of the Abdomen Flashcards

1
Q

What are the upper regions of the abdomen from right to left?

A

Right hypochondriac
Epigastric
Left hypochondriac

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2
Q

What are the middle regions of the abdomen from right to left?

A

Right lumbar
Umbilical
Left lumbar

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3
Q

What are the lower regions of the abdomen from right to left?

A

Right inguinal
Hypogastric (pubic)
Left inguinal

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4
Q

What level and dermatome is the xiphoid process?

A

T9

T7

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5
Q

What level is the costal margin?

A

L2

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6
Q

What level and dermatome is the pubic tubercle?

A

Inguinal ligament

L1

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7
Q

What level and dermatome is umbilicus?

A

L4

T10

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8
Q

What makes up the inguinal ligament?

A

External oblique aponeurosis

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9
Q

What is the fibrous line that runs down the middle of the abdomen?

A

Linea alba

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10
Q

What line runs at the bottom 1/4 of the abdomen?

A

Arcuate line

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11
Q

What are the rectus sheaths from outside to in?

A 
External oblique
Internal oblique
Transversus abdominus
Transversalis fascia 
Extraperitoneal connective tissue
Peritoneum
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12
Q

What do the IO and TA aponeurosis come together to form?

A

Conjoint tendon

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13
Q

What two arteries does the internal thoracic artery split into?

A 
Musculophrenic (laterally)
Superior epigastric (medially)
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14
Q

What arteries supply the anterior abdominal wall?

A 
Subcostal & intercostal
Deep circumflex iliac
Superficial circumflex iliac
Inferior epigastric
Internal thoracic
Musculophrenic
Superior epigastric
Superficial epigastric
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15
Q

What veins drain the anterior abdominal wall?

A 
Internal thoracic
Musculophrenic
Superior epigastric
Lateral thoracic
Inferior thoracic
Paraumbilical & tributaries
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16
Q

What nerves innervate the anterior abdominal wall?

A 
Thoraco-abdominal (T5-11)
Subcostal (T12)
Lateral femoral cutaneous (L2,3)
Iliohypogastric (L1) these two have
Ilioinguinal (L1) a common trunk
17
Q

What makes up the superficial femoral ring?

A 
Medial crus (Medial aspect of the superficial femoral ring)
Lateral crus (Lateral aspect of the superficial femoral ring)
Intercrural fibers (connecting them)
18
Q

Where does the cremaster muscle and fascia arise from?

A

Internal oblique aponeurosis

19
Q

What are intraperitoneal structures?

A

Structures with 2/3 or more covered with parietal peritoneum

20
Q

What are retroperitoneal structures?

A

Structures with less than 2/3 covered with parietal peritoneum

GI Exam 1 (25 decks)

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