Small Intestine and Large Intestine

Question 1

Function of small intestine

Answer 1

digestion and absorption of food

Question 2

Name the 3 parts of the small intestine

Answer 2

Duodenum, jejunum, ileum

Question 3

Where does the small intestine extend from?

Answer 3

Pylorus of stomach

Question 4

Where does the small intestine end?

Answer 4

Ileocecal junction

Question 5

Most proximal part of small intestine

Answer 5

Duodenum

Question 6

Where does the duodenum extend from?

Answer 6

Pyloric sphincter of pylorus

Question 7

Where does the duodenum end?

Answer 7

Duodenojejunal junction

Question 8

Is the duodenum intraperitoneal or retroperitoneal?

Answer 8

Retroperitoneal (except proximal part)

Question 9

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

Answer 9

Superior part
Descending part
Inferior part
Ascending part

Question 10

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

Answer 10

Peptic ulcers

Question 11

At which vertebral level is superior duodenum?

Answer 11

L1

Question 12

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

Answer 12

Hepatoduodenal ligament

Question 13

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

Answer 13

Superior part of the duodenum

Question 14

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

Answer 14

L1-L3

Question 15

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

Answer 15

Descending part of duodenum

Question 16

Which part of the duodenum contains major duodenal papilla?

Answer 16

Descending part of duodenum

Question 17

At which vertebral level is the inferior part of duodenum?

Answer 17

L3

Question 18

Which part of the duodenum is posterior to transverse colon?

Answer 18

Descending duodenum

Question 19

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

Answer 19

Inferior duodenum

Question 20

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

Answer 20

Inferior duodenum

Question 21

At which vertebral level is the ascending duodenum?

Answer 21

L3-L2

Question 22

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

Answer 22

Ascending duodenum

Question 23

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

Answer 23

Hepatopancreatic ampulla

Question 24

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

Answer 24

Suspensory muscle of the duodenum

Question 25

Where does the jejunum extend from?

Answer 25

Duodenojejunal junction

Question 26

Where does the jejunum and ileum end?

Answer 26

Ileocecal junction

Question 27

The union of the terminal ileum and cecum

Answer 27

Ileocecal junction

Question 28

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

Answer 28

Mesentery (fold of peritoneum)

Question 29

Is the jejunum retroperitoneal or intraperitoneal?

Answer 29

Intraperitoneal

Question 30

Is the ileum retroperitoneal or intraperitoneal?

Answer 30

Ileum

Question 31

Which has longer vasa recta and less arcades?

Answer 31

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

Question 32

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

Answer 32

Jejunum

Question 33

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

Answer 33

Ileum

Question 34

Which has a thicker wall, the jejunum or ileum?

Answer 34

Jejunum

Question 35

Which has less villi and plicae circularis?

Answer 35

Ileum

Question 36

Name the 5 parts of the large intestine

Answer 36

``` Caecum Ascending colon Transverse colon Descending colon Sigmoid colon ```

Question 37

Where does the large intestine extend from?

Answer 37

Ileum

Question 38

Where does the large intestine end?

Answer 38

Rectum

Question 39

Function of large instestine

Answer 39

Absorbs water and forms faeces from waste products

Question 40

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

Answer 40

1. Omental appendices 2. Haustra 3. Teniae coli

Question 41

Fat filled pouches of peritoneum

Answer 41

Omental appendices

Question 42

Sacculations along the large intestine produced by the teniae coli contractions

Answer 42

Haustra

Question 43

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

Answer 43

Teniae coli

Question 44

Which of the 9 regions is the cacum locatated?

Answer 44

Right iliac fossa

Question 45

Is the cecum retroperitoneal or intraperitoneal?

Answer 45

Intraperitoneal

Question 46

Where does the cecum extend from?

Answer 46

Ileum

Question 47

Where does the cecum end?

Answer 47

Ascending colon

Question 48

Function of cecum

Answer 48

Reservoir for chyme from the ileum

Question 49

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

Answer 49

Right iliac fossa, right lumbar region and right hypochondriac region

Question 50

Is the ascending colon retroperitoneal or intraperitoneal?

Answer 50

Retroperitoneal

Question 51

Where does the ascending colon extend from?

Answer 51

Caecum

Question 52

Where does the ascending colon end?

Answer 52

Hepatic flexure

Question 53

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

Answer 53

Right hypochondriac region, epigastric region and left hypochondriac region

Question 54

Is the transverse colon intraperitoneal or retropertioneal?

Answer 54

Intraperitoneal

Question 55

Where does the transverse colon extend from?

Answer 55

Hepatic flexure

Question 56

Where does the transverse colon end?

Answer 56

Splenic flexure

Question 57

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

Answer 57

Left hypochondriac region, left lumbar region and left iliac fosa

Question 58

Is the descending colon retroperitoneal or intraperitoneal?

Answer 58

Retroperitoneal

Question 59

Where does the descending colon extend from?

Answer 59

Splenic flexure

Question 60

Where does the descending colon end?

Answer 60

Sigmoid colon

Question 61

Which of the 9 regions is the sigmoid colon located?

Answer 61

Left iliac fossa

Question 62

Where does the sigmoid colon extend from?

Answer 62

Ascending colon

Question 63

Where does the sigmoid colon end?

Answer 63

Rectum

Question 64

Is the sigmoid colon intraperitoneal or retroperitoneal?

Answer 64

Intraperitoneal