Mesentery, Jejunum, Ileum Flashcards

1
Q

Which of the following correctly describes peritoneum?

A. serous membrane that lines the abdominal and pelvic cavities, and covers most of the abdominal viscera, consisting of a layer of mesothelium supported by a thin layer of connective tissue.

B. Between the two sheets of peritoneum are blood vessels, lymph vessels, and nerves.

C. Largest serous membrane in the body

D. AOTA

A

D. AOTA

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2
Q

Peritoneum associated with the intestines is termed ___

A. Mesentery
B. Viscera
C. Parietal layer

A

A. Mesentery

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3
Q

Which of the following statements correctly describes the mesentery?

A. A fan-shaped triple layer of peritoneum that suspends the jejunum and ileum from the posterior abdominal wall of the abdomen.

B. A fan-shaped double layer of peritoneum that suspends the jejunum and ileum from the posterior abdominal wall of the abdomen.

C. A fan-shaped single layer of peritoneum that suspends the jejunum and ileum from the posterior abdominal wall of the abdomen

A

B. A fan-shaped double layer of peritoneum that suspends the jejunum and ileum from the posterior abdominal wall of the abdomen

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4
Q

Which of the ff correctly describes the root of mesentery?

A. Runs downward to right from left side of L2 to right sacroiliac joint
B. Securely attach intestines permitting movement
C. Short and fixed to the posterior abdominal wall
D. AOTA

A

D. AOTA

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5
Q

__ is a double-layered extension or fold of peritoneum that passes from the stomach and proximal part of the duodenum to adjacent organs in the abdominal cavity

A. Peritoneum
B. Omentum
C. Mesentery

A

B. Omentum

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6
Q

___ prominent, four-layered peritoneal fold that hangs down like an apron from the greater curvature of the stomach and the
proximal part of the duodenum

A. Lesser omentum
B. Greater omentum
C. Peritoneum

A

B. Greater omentum

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7
Q

___ is a smaller, double-layered peritoneal fold that connects the lesser curvature of the stomach and the proximal part of the duodenum to the liver

A. Greater omentum
B. Peritoneum
C. Lesser omentum

A

C. Lesser omentum

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8
Q

The liver is connected to the stomach by the __ ligament.

A. Hepatoduodenal ligament
B. Hepatogastric ligament
C. Falciform ligament

A

B. Hepatogastric ligament

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9
Q

The liver is connected to the anterior abdominal wall by the ___ ligament

A. Falciform
B. Hepatogastric
C. Hepatoduodenal

A

A. Falciform

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10
Q

The hepatogastric and hepatoduodenal ligaments are continuous parts of the __ omentum

A. Greater
B. Lesser

A

B. Lesser

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11
Q

Omental bursa (lesser sac) lies ___ to the
stomach and lesser omentum.

A. Anterior
B. Posterior
C. Medial

A

B. Posterior

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12
Q

___ of the mesentery acts as an entry and exit point for:
- Superior mesenteric artery and vein
- Lymphatic vessels
- Nerves

A. Root
B. Free portion

A

A. Root

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13
Q

___ colon divides the abdominal cavity into 2 compartments: supracolic and ___

A. Transverse, infracolic
B. Ascending, infracolic
C. Descending, infracolic

A

A. Transverse, infracolic

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14
Q

Small intestines, ascending colon, descending colon are part of ___ compartment

A. Supracolic
B. Infracolic

A

B. Infracolic

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15
Q

Stomach, liver, spleen are part of ___ compartment

A. Infracolic
B. Supracolic

A

B. Supracolic

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16
Q

Small intestine mesentery divides the left infracolic compartment into __ and ___ infracolic spaces

A. Anterior, posterior
B. Right, left
C. Medial, lateral

A

B. Right, left

17
Q

Free communication between the supracolic and infracolic compartments occurs through the___

A. Peritoneal space
B. Paracolic gutters

A

B. Paracolic gutters

18
Q

The flow of contents are mostly free on the ___ paracolic gutter.

A. Left
B. Right

A

B. Right

19
Q

Mesenteric lymphadenitis:
A. Resolves on its own
B. Mimics appendicitis
C. Mainly affects children and adults
D. A, B only
E. All

A

D. A, B only

20
Q

The jejunum begins at the ___, while the ileum ends at the __

A. Duodenojejunal flexure, ileocecal valve
B. Duodenojejunal flexure, ileocecal junction
C. Duodenojejunal junction, ileocecal junction

A

B. Duodenojejunal flexure, ileocecal junction

21
Q

Jejunum makes up the upper __of this
total length.

A. 3/5
B. 2/5
C. 1/5

A

B. 2/5

22
Q

Wider bore, thicker wall, redder appearance
A. Jejunum
B. Ileum

A

A. Jejunum

23
Q

Attached to the posterior abdominal wall above and to the left of the aorta

A. Jejunum
B. Ileum

A

A. Jejunum

24
Q

Fat (more) is distributed from the root to the intestinal wall

A. Ileum
B. Jejunum

A

A. Ileum

25
Q

Attached to the posterior abdominal wall below and to the right of the aorta

A. Jejunum
B. Ileum

A

B. Ileum

26
Q

Fewer, larger arcades that form a simpler network

A. Ileum
B. Jejunum

A

B. Jejunum

27
Q

Vasa recta is short, more numerous branches extending from arcades to the intestinal wall

A. Ileum
B. Jejunm

A

A. Ileum

28
Q

Nerve supply of jejunum and ileum: Sympathetic and parasympathetic nerves from superior mesenteric plexus, with parasympathetic input from the ___

A. Vagus nerve
B. Glossopharyngeal nerve
C. Celiac trunk

A

A. Vagus nerve

29
Q

The mesentery provides ___

A. Stability
B. Mobility
C. Both

A

C. Both

30
Q

___ omentum, large and fat-laden, prevents the visceral peritoneum from adhering to the parietal peritoneum

A. Lesser
B. Greater

A

B. Greater

31
Q

The ___ determine the extent and direction of the spread of fluids that may enter the peritoneal cavity when an organ is diseased or injured.

A. Omentum
B. Peritoneal recesses

A

B. Peritoneal recesses

32
Q

____ are of clinical importance because they provide pathways for the flow of ascitic fluid and the spread of intraperitoneal infections

A. Paracolic gutters
B. Peritoneal recesses

A

A. Paracolic gutters

33
Q

Lesser sac communicates with the greater sac via ___ foramen

A. Omental
B. Epiploic
C. A, B

A

C. A, B

34
Q

Which of the following segments of the intestine have their own mesentery?

A. Small intestine
B. Transverse colon
C. Sigmoid
D. AOTA

A

D. AOTA

35
Q

Root of mesentery cross which of the following set of structures?

A. 3rd part of duodenum, abdominal aorta, IVC, ureter, psoas major muscle
B. 2nd part of duodenum, urinary bladder, iliacus, stomach
C. Jejunum, ileum, ureter, iliopsoas

A

A. 3rd part of duodenum, abdominal aorta, IVC, ureter, psoas major muscle