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GI Midterm > Lab Secondary Qs > Flashcards

Lab Secondary Qs Flashcards

1
Q

The median umbilical fold is a remnant of what embryological structure?

A

Urachus

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2
Q

The medial umbilical fold is a remnant of what embryological structure?

A

Umbilical a.

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3
Q

The vessels contained in the falciform ligament are no longer functional in the adult. What anastomoses did these used to be a part of, and in what condition might they re-open in the adult?

A

Para-umbilical anastomoses

Would re-open with caput medusae if there is a blockage of blood flow in the liver

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4
Q

If a cutaneous n. is found emerging near the umbilicus, which spinal segment is it likely associated with?

A

T10

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5
Q

A pin is placed through abdominal connective tissue below the arcuate line. What is the first layer the pin is passing through?

A

Transversalis fascia

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6
Q

The cremaster muscle is derived from what abdominal structure? What nerve innervates it?

A

Internal oblique m.

Genital branch of genitofemoral n

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7
Q

At what level does the thoracic esophagus pierce the diaphragm to become the abdominal esophagus?

A

T10

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8
Q

The embryonic vitelline duct is sometimes retained and becomes a mass of pancreatic and gastric tissue called what?

A

Meckel’s diverticulum

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9
Q

What type of hernia is found in the medial inguinal fossa?

A

Direct inguinal hernia

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10
Q

What type of hernia is found in the lateral inguinal fossa?

A

Indirect inguinal hernia

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11
Q

Inferior epigastric a. branches from …

A

External iliac a.

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12
Q

Superior epigastric a. branches from …

A

Internal thoracic a.

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13
Q

Parasympathetic innervation to the colon past the splenic flexure

A

Pelvic splanchnic nn

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14
Q

Parasympathetic innervation to the colon prior to the splenic flexure

A

Vagus n

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15
Q

What branch of the IMA anastomoses with a branch of the SMA?

A

Left colic a. (IMA) anastomoses with Right colic a. (SMA)

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16
Q

What congenital anomaly may occur at the pyloric sphincter causing projectile vomiting?

A

Hypertrophic pyloric stenosis

17
Q

Ligamentum teres hepatis is derived from what embryo structure

A

L umbilical v

18
Q

Ligamentum venosum is derived form what embryo structure

A

Ductus venosus

19
Q

Greater splanchnic nn T5-T9 are associated with what ganglion

A

Celiac ganglion

20
Q

What passes through the caval opening at T8?

A

IVC

R phrenic n

21
Q

What level is the aortic hiatus; what passes through i?

A

T12

Aorta, thoracic duct, azygous v

22
Q

Level of aortic bifurcation

A

L4 —> into R/L common iliacs

23
Q

Central tendon of diaphragm is derived from what embryo structure?

A

Septum transversum (splanchnic mesoderm)

24
Q

What structures make up the conjoint tendon?

A

Transversus abdominis + internal oblique aponeuroses

25
Q

External spermatic fascia comes from aponeurosis of what m?

A

External oblique m

26
Q

Internal spermatic fascia comes from what?

A

Tranversalis fascia

27
Q

The superficial inguinal ring is a split in the aponeurosis of what m?

A

External oblique m

28
Q

Scrotal ligament is a remnant of what embryo structure?

A

Gubernaculum

29
Q

The epididymal appendix is a remnant of what embryo structures?

A

Wolffian duct, mesonephric duct

30
Q

What ligament is considered part of ventral mesentery

A

Falciform ligament

31
Q

What vessels are found in the splenorenal ligament?

A

Splenic vessels + tail of pancreas

32
Q

What vessels are found in the hepatoduodenal ligament?

A

Portal triad

33
Q

What vessels are found in the gastrosplenic ligament?

A

Short gastric aa

L gastroepiploic a

34
Q

What vessels are found in the gastrocolic ligament?

A

R gastroepiploic a

35
Q

What vessels are found in the hepatogastric ligament

A

R/L gastric aa

36
Q

What artery is associated with the mesoappendix

A

Appendicular a

37
Q

Lowest point in female peritoneum

A

Rectouterine pouch

38
Q

Lowest point in male peritoneum

A

Rectovesicular pouch

GI Midterm (14 decks)

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