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Anatomy Exam 3 > Small Intestine and Colon > Flashcards

Small Intestine and Colon Flashcards

1
Q

T/F: Parietal peritoneum is very pain sensitive to inflammation and stretching

A

True

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2
Q

The parietal peritoneum is supplied somatic pain from

A

ventral rami of T7- L1

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3
Q

Visceral pain to the gut follows ______ innervation back

A

sympathetic

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4
Q

T/F: Dorsal mesentery and visceral peritoneum feels no sensation

A

True

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5
Q

Parietal pain follows _____ back

A

ventral ramii

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6
Q

For secondarily retroperitoneal organs, the parietal peritoneum is sensitive to _____ pain

A

somatic

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7
Q

All of the small intestine except what part is mesenteric?

A

1st segment of duodenum

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8
Q

Colon is divided into what segments?

A

Cecum, ascending colon, transverse colon, descending colon, and sigmoid colon (and appendix)

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9
Q

Small intestine is divided into what segments?

A

Duodenum, jejunum, and ileum

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10
Q

Cecum is in what abdominal quadrant?

A

lower right quadrant

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11
Q

Ascending colon is in what abdominal quadrants?

A

Lower to upper right quadrant

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12
Q

Transverse colon is in what ab quadrants?

A

Upper right to left quadrant

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13
Q

Descending colon is in what ab quadrants?

A

Left upper to lower quadrant

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14
Q

Plicae circulares are present in what 2 segments of small intestine?

A

Duodenum and jejunum

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15
Q

In duodenum, plicae circulares are ______ numerous and _______ prominent

A

more numerous and more prominent

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16
Q

In jejunum, plicae circulares are ______ numerous and _______ prominent

A

less numerous and less prominent

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17
Q

The ileum has ______ on its surface

A

lymphatic nodules

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18
Q

Bits of visceral fat on the colon; more fat on descending and sigmoid colon

A

appendices epiploicae

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19
Q

Chambers of colon

A

haustre

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20
Q

Bend in the transverse to descending colon is called

A

splenic flexure

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21
Q

bend in ascending to transverse colon called

A

hepatic or right colic flexure

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22
Q

______ artery supplies transverse colon

A

middle colic artery

23
Q

______ artery supplies the major segments of colon namely the ascending colon

A

right colic artery

24
Q

____ artery supplies ileocecal structures

A

ileocolic artery

25
Q

Jejunal arteries, ileal arteries, ileocolic artery, right colic artery, and middle colic artery come off of ______ artery

A

superior mesenteric artery

26
Q

____ artery supplies descending colon

A

left colic artery

27
Q

___ artery anastomoses with middle colic artery at midgut to hindgut transition forming connection between superior and inferior mesenteric arteries

A

left colic artery

28
Q

Ascending and descending branches of left colic artery supply

A

descending colon

29
Q

Ascending and descending branches of left colic artery, left colic artery, superior rectal artery, sigmoid arteries are all branches of ______ artery

A

inferior mesenteric artery

30
Q

right most artery of the hindgut

A

superior rectal artery

31
Q

______ artery runs in or near the root of the mesentery toward the lower right quadrant

A

superior mesenteric artery

32
Q

_______ artery runs in transverse mesocolon

A

middle colic artery

33
Q

____ artery runs retroperitoneally to ascending colon

A

right colic artery

34
Q

______ artery runs retroperitoneally toward the ileocecal junction

A

ileocolic artery

35
Q

_______, _____ and ______ run in the mesentery off of the superior mesenteric artery

A

Middle colic artery, jejunum branches, and ileum branches

36
Q

______ turnis into the mesentery proper to supply the distal ileum

A

ileal branch of ileocolic artery

37
Q

The ileocolic artery is (mesentery or retroperitoneal)

A

retroperitoneal

38
Q

The ______ artery is a mesenteric branch to the appendix in the mesoappendix

A

appendicular artery

39
Q

The _____ artery originates from the aorta at about L3 and is mostly retroperitoneal

A

inferior mesenteric artery

40
Q

The ____ artery is mostly retroperitoneal, but enters the transverse mesocolon to anastomose with with middle colic artery (superior mesenteric artery)

A

left colic artery

41
Q

The ______ arteries are mesenteric lying in the sigmoid mesocolon

A

4 sigmoid arteries

42
Q

Final branch of the inferior mesenteric artery is the _____ artery which descends into the pelvis

A

superior rectal artery

43
Q

The IMA and SMA anastomoses function to ______

A

circumvent blood flow in occasion of blockage

44
Q

Middle colic artery (SMA) anastomoses with left colic artery (IMA) at the _______ flexure

A

left colic flexure

45
Q

Ileocolic artery (SMA) anastomoses with the right colic artery (IMA) near the _______

A

ileocecal junction

46
Q

Sigmoid artery (SMA) anastomoses with the superior rectal artery (IMA) at the transition from the ____ to the _____

A

sigmoid colon to the rectum

47
Q

______ provide channels for the spread of infections within the abdominal cavity

A

paramesenteric and paracolic gutters

48
Q

small anastomosing loops arranged in multiple rows branching off of the intestinal arteries

A

arcades

49
Q

straight vessels that go perpendicularly into the gut wall

A

vasa recti

50
Q

The vasa recti in jejunum is _____ (longer or shorter)

A

longer

51
Q

The vasa recti in ileum is _____ (longer or shorter)

A

shorter

52
Q

Jejunum is ______ muscular and _____ fat

A

more muscular; less fat

53
Q

ileum is ______ muscular and _____ fat

A

less muscular; more fat

Anatomy Exam 3 (11 decks)

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