Abdomen Flashcards

1
Q

Dermatomal level of the umbilicus

A

T10

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2
Q

Vertebral level of the subcostal plane

A

L3

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3
Q

9 regions of the abdomen

A
Epigastric
Umbilical
Hypogastric / pubic
R/L hypochondriac
R/L lumbar
R/L inguinal
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4
Q

Most superficial abdominal muscle; runs obliquely downward and medially

A

External oblique

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5
Q

Abdominal muscle that runs upward and medial

A

Internal oblique

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6
Q

Aponeurotic fibers of internal oblique + transversus abdominis

A

Conjoint tendon

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7
Q

Crescentic border on the posterior wall; midway b/w umbilicus and pubic crest

A

Arcuate line

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8
Q

Posterior wall of rectus sheath below ASIS

A

Transversalis fascia

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9
Q

Anterior layer of rectus sheath below arcuate line

A

Aponeurosis of external, internal oblique and transversus abdominis

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10
Q

Posterior wall of rectus sheath above the arcuate line

A

Aponeurosis of the transversus abdominis and internal oblique muscle

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11
Q

Anterior wall of the rectus sheath above the arcuate line

A

Aponeurosis of the external and internal oblique muscle

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12
Q

Contents of rectus sheath

A

Rectus abdominis
Pyramidalis
Sup and inf epigastric vessels
Lower 5 intercostal and subcostal vessels and nerves

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13
Q

Blood supply and drainage of the rectus sheath

A

Sup epigastric -from internal thoracic
Inf epigastric -from ext iliac
Deep circumplex -from ext iliac

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14
Q

Boundaries of the inguinal/ Hesselbach’s triangle

A

Inf epigastric a.
Inguinal/Poupart’s ligament
Rectus abdominis

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15
Q

Contents of the inguinal CANAL

A

Spermatic cord/ round ligament

Ilioinguinal nerve

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16
Q

Structures within the spermatic cord

A
vas deferens
testicular artery, veins, lymph vessels
Autonomic n.
Processus vaginalis
Cremasteric a.
Artery of vas deferens
Genitofemoral n. (genital br)
17
Q

Results from dilatations of tributaries of testicular vein (pampiniform plexus)

A

Varicocele

18
Q

(+) transillumination test

A

Hydrocele

19
Q

Hernia that is LATERAL to the inf epigastric vessels; enters the scrotum

A

Indirect inguinal hernia

20
Q

Hernia that is MEDIAL to inf epigastric vessels; never enters the scrotum

A

Direct inguinal hernia

21
Q

Covering of indirect inguinal hernia

A

Peritoneum and layers of spermatic cord

22
Q

Covering of direct inguinal hernia

A

External spermatic fascia

23
Q

Derivative of dartos muscle

A

Superficial fascia

24
Q

Derivative of external oblique

A

External spermatic fascia

25
Q

Derivative of cremaster muscle

A

Internal oblique

26
Q

2 abdominal layers with no derivative in the male genital

A

transversus abdominis

extraperitoneal fat

27
Q

Derivative of internal spermatic fascia

A

Transversalis fascia

28
Q

Derivative of tunica vaginalis

A

Peritoneum

29
Q

Spinal nerve that innervates the cremasteric reflex

A

L1

Sn: ilioinguinal n.; motor: genitofemoral n.

30
Q

Vertebral level of the umbilicus

A

L3