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Abdomen > Small Intestine and Large Intestine > Flashcards

Small Intestine and Large Intestine Flashcards

1
Q

Function of small intestine

A

digestion and absorption of food

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2
Q

Name the 3 parts of the small intestine

A

Duodenum, jejunum, ileum

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3
Q

Where does the small intestine extend from?

A

Pylorus of stomach

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4
Q

Where does the small intestine end?

A

Ileocecal junction

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5
Q

Most proximal part of small intestine

A

Duodenum

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6
Q

Where does the duodenum extend from?

A

Pyloric sphincter of pylorus

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7
Q

Where does the duodenum end?

A

Duodenojejunal junction

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8
Q

Is the duodenum intraperitoneal or retroperitoneal?

A

Retroperitoneal (except proximal part)

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9
Q

Name the 3 parts of the duodenum (in consecutive order)

A

Superior part
Descending part
Inferior part
Ascending part

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10
Q

Erosion of mucosa, most commonly in the stomach or superior duodenum

A

Peptic ulcers

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11
Q

At which vertebral level is superior duodenum?

A

L1

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12
Q

What connects the superior part of the duodenum to the liver?

A

Hepatoduodenal ligament

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13
Q

Which part of the duodenum is the only intraperitoneal part of the duodenum?

A

Superior part of the duodenum

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14
Q

At which vertebral level(s) does the descending duodenum lie?

A

L1-L3

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15
Q

Which part of the duodenum curves about the head of pancreas?

A

Descending part of duodenum

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16
Q

Which part of the duodenum contains major duodenal papilla?

A

Descending part of duodenum

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17
Q

At which vertebral level is the inferior part of duodenum?

A

L3

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18
Q

Which part of the duodenum is posterior to transverse colon?

A

Descending duodenum

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19
Q

Which part of the duodenum is anterior to the inferior vena cava and abdominal aorta?

A

Inferior duodenum

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20
Q

Which part of the duodenum is posterior to superior mesenteric artery and vein?

A

Inferior duodenum

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21
Q

At which vertebral level is the ascending duodenum?

A

L3-L2

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22
Q

Which part of the duodenum is connected to the jejunum via duodenojejunal flexure?

A

Ascending duodenum

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23
Q

Bile duct and main pancreatic ducts enter wall of descending duodenum via what?

A

Hepatopancreatic ampulla

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24
Q

The duodenojejunal flexure is supported by the attachment of which muscle?

A

Suspensory muscle of the duodenum

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25
Q

Where does the jejunum extend from?

A

Duodenojejunal junction

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26
Q

Where does the jejunum and ileum end?

A

Ileocecal junction

27
Q

The union of the terminal ileum and cecum

A

Ileocecal junction

28
Q

Which attaches the jejumun and ileum to the posterior abdominal wall?

A

Mesentery (fold of peritoneum)

29
Q

Is the jejunum retroperitoneal or intraperitoneal?

A

Intraperitoneal

30
Q

Is the ileum retroperitoneal or intraperitoneal?

A

Ileum

31
Q

Which has longer vasa recta and less arcades?

A

Jejunum (jejunum is a longer word than ileum and so jejunum has a longer vasa recta and therefore less arcades than ileum)

32
Q

Which part of the small intestine is located in the upper left quadrant?

A

Jejunum

33
Q

Which part of the small intestine is located in the lower right quadrant?

A

Ileum

34
Q

Which has a thicker wall, the jejunum or ileum?

A

Jejunum

35
Q

Which has less villi and plicae circularis?

A

Ileum

36
Q

Name the 5 parts of the large intestine

A 
Caecum
Ascending colon
Transverse colon
Descending colon
Sigmoid colon
37
Q

Where does the large intestine extend from?

A

Ileum

38
Q

Where does the large intestine end?

A

Rectum

39
Q

Function of large instestine

A

Absorbs water and forms faeces from waste products

40
Q

Name 3 features which differentiate the large intestine from the small intestine

A
  1. Omental appendices
  2. Haustra
  3. Teniae coli
41
Q

Fat filled pouches of peritoneum

A

Omental appendices

42
Q

Sacculations along the large intestine produced by the teniae coli contractions

A

Haustra

43
Q

3 longitudinal strips of muscle which are slightly shorter in length than the large intestine, thus producing the haustra

A

Teniae coli

44
Q

Which of the 9 regions is the cacum locatated?

A

Right iliac fossa

45
Q

Is the cecum retroperitoneal or intraperitoneal?

A

Intraperitoneal

46
Q

Where does the cecum extend from?

A

Ileum

47
Q

Where does the cecum end?

A

Ascending colon

48
Q

Function of cecum

A

Reservoir for chyme from the ileum

49
Q

What of the 9 regions is the ascending colon located in?

A

Right iliac fossa, right lumbar region and right hypochondriac region

50
Q

Is the ascending colon retroperitoneal or intraperitoneal?

A

Retroperitoneal

51
Q

Where does the ascending colon extend from?

A

Caecum

52
Q

Where does the ascending colon end?

A

Hepatic flexure

53
Q

Which of the 9 regions is the transverse colon located in?

A

Right hypochondriac region, epigastric region and left hypochondriac region

54
Q

Is the transverse colon intraperitoneal or retropertioneal?

A

Intraperitoneal

55
Q

Where does the transverse colon extend from?

A

Hepatic flexure

56
Q

Where does the transverse colon end?

A

Splenic flexure

57
Q

Which of the 9 regions is the descending colon located in?

A

Left hypochondriac region, left lumbar region and left iliac fosa

58
Q

Is the descending colon retroperitoneal or intraperitoneal?

A

Retroperitoneal

59
Q

Where does the descending colon extend from?

A

Splenic flexure

60
Q

Where does the descending colon end?

A

Sigmoid colon

61
Q

Which of the 9 regions is the sigmoid colon located?

A

Left iliac fossa

62
Q

Where does the sigmoid colon extend from?

A

Ascending colon

63
Q

Where does the sigmoid colon end?

A

Rectum

64
Q

Is the sigmoid colon intraperitoneal or retroperitoneal?

A

Intraperitoneal

Abdomen (14 decks)

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