Lec5AbdominalCavity-Peritoneum & Stomach & Spleen & Liver & Gallbladder & Pancreas Flashcards

1
Q

What is the upper border of the peritoneum?

A

thoracic diaphragm

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2
Q

What is the lower border of the peritoneum?

A

superior pelvic aperture

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3
Q

What are the contents of the peritoneum?

A

peritoneum=parietal +visceral
abdominal viscera (organs): digestive organs, spleen, kidneys and adrenal (suprarenal) glands

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4
Q

What does the parietal peritoneum line?

A

abdominal cavity wall

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5
Q

The parietal peritoneum lines the ant abdominal wall and that includes which structures?

A

transversalis fascia, (extra-peritoneal) fat, mesothelium

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6
Q

The parietal peritoneum lines the post abdominal wall and that includes which structures?

A

muscles (all 4), fascia (CT), mesothelium

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7
Q

What exactly is the peritoneal cavity?

A

The space between the parietal and visceral peritoneum

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8
Q

What is the visceral peritoneum?

A

covers abdominal organs

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9
Q

What does the visceral peritoneum form and what does it allow for?

A

Forms mesenteries+ omenta + ligaments (all have a double layer)

The thin vascular membrane allows for IP injection of drugs

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10
Q

What two spaces is the peritoneal cavity divided into?

A

Greater sac and lesser sac

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11
Q

What is the greater sac?

A

major part of the peritoneal cavity

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12
Q

What is the lesser sac and its location?

A

omental bursa
post to stomach and lesser omentum
extends superior and inferior recesses

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13
Q

What is the opening between the greater and lesser sac called? and where is it located?

A

epiploic (omental) foramen/ foramen of winslow
posterior to the lesser omentum (hepatoduodenal ligament)

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14
Q

What is the omentum/omenta(singular)?

A

double layered folds of visceral peritoneum

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15
Q

What is the greater omentum?

A

connects stomach to transverse colon.
derived from dorsal mesentery
mostly fatty tissue

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16
Q

What is the lesser omentum

A

connects stomach + duodenum to liver.
derived from ventral mesentery

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17
Q

What 2 ligaments are in the lesser omentum?

A

hepatogastric ligament
hepatoduodenal ligament

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18
Q

What is the arterial supply of the foregut?

A

abdominal aorta—CELIAC TRUNK— (left gastric a, splenic a, common hepatic a to right gastric a)

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19
Q

Where does the foregut and midgut sympathetic innervation come from?

A

Thoracic splanchnics

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20
Q

Where does the foregut and midgut parasympathetic innervation come from?

A

vagus nerve

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21
Q

What are the intraperitoneal organs (covered on all sides) of the abdominal cavity?

A

Splenda Sweetener Doesn’t Take Like Sugar

Spleen
Small Intestine (jejunum +ileum)
Duodenum (superior part)
Transverse Colon
Liver
Stomach

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22
Q

What are the retroperitoneal organs (covered on anterior side) of the abdominal cavity?

A

kidneys +suprarenal (adrenal) glands

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23
Q

What are the secondary retroperitoneal organs of the abdominal cavity?

A

A Dynamic Duo Pair

Ascending colon
Descending colon
Duodenum (descending +horizontal +ascending parts)
Pancreas

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24
Q

What are the structures of the stomach?

A

cardia: connects stomach to esophagus
Fundus: 1st segment
Body: 2nd segment
Pylorus (antrum)=3rd segment
Pyloric sphincter: connects to duodenum
Gastric Rugae:internal folding of a stomach (enables stomach to expand

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25
Q

Does the kidney +suprarenal (adrenal) glands have mesentary?

A

NO, bc its a retroperitoneal organ

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26
Q

What is the arterial supply of the stomach?

A

celiac trunk—– right and left gastric arteries

27
Q

The greater curvature of the stomach attaches to

A

greater omentum

28
Q

The lesser curvature of the stomach attaches to

A

lesser omentum (hepatogastric ligament)

29
Q

The spleen is what type of organ?

A

intraperitoneal

30
Q

Where is the spleen located (which quandrant) and its associated surfaces?

A

located in LUQ and its associated surfaces are
stomach (gastric)
kidney (renal)
colon (colic)

31
Q

What is the function of the spleen and how does it do it?

A

immune fxn: Filters blood
It does so through open circulation
1. blood leaves capillaries
2. blood cells travels across open space
3. blood cells enter spleen—closed circulation

32
Q

The pancreas is what type of organ?

A

secondary retroperitoneal organ

33
Q

What is the function of the pancreas??

A

Exocrine function: secretes enzymes into descending duodenum
Endocrine function: secretes hormones (insulin/glucagon) into blood

34
Q

What are the 4 segments of the pancreas?

A

head (RUQ), neck body, tail (LUQ)

35
Q

What is the main pancreatic duct?

A

combines with common bile duct
forms hepatopancreatic ampulla (of vater)
drains bile + pancreatic fluids to MAJOR papilla

36
Q

What is the ampulla of vater?

A

surrounded by sphincter of Oddi
located in descending duodenum

37
Q

Accessory pancreatic duct?

A

superior to main duct
drains pancreatic fluids to MINOR pailla

38
Q

What type of organ is the liver?

A

intraperitoneal

39
Q

What is the blood flow to the liver?

A

Portal vein=75% (deoxy blood from intestines, spleen, pancreas)
Hepatic artery=25% (oxy blood to the liver)

40
Q

What is the function of the liver?

A

Exocrine function: produces + stores bile in the gallbladder

Endocrine function: produces plasma proteins to release into blood

41
Q

What is the portal triad of the liver?

A

Hepatic artery
Portal vein
Bile duct

42
Q

What is the portal hepatis of the liver?

A

contains all the vessels going in/out of liver

43
Q

What are the structures of the liver?

A

bare area: site where there is no peritoneum (lies directly against diaphragm)
coronary ligament: suspends liver from diaphragm
triangular ligament: continuation of coronary ligament
falciform ligament: divides liver into right and left lobe
ligamentum teres: continuation of falciform lig (represents remnant of left umbilical vein)

44
Q

What does the hepatogastricligament(from lesser omentum) connect?

A

stomach to liver

45
Q

What does the hepatoduodenal (from lesser omentum) connect?

A

duodenum to liver

46
Q

The gallbladder is what type of organ?

A

intraperitoneal (lies in visceral surface of liver)

47
Q

What does the gallbladder do?

A

concentrates and stores bile
secretes bile into the major papilla (duodenum). It is stimulated by the presence of fat in the duodenum

48
Q

What is the cystic duct of the gall bladder?

A

contributes to the common bile duct merges with the hepatic duct

49
Q

What is the path of fluid drainage of the liver + gallbladder?

A

hepatic duct + cystic duct to common bile duct to ampulla of vater to major papilla

50
Q

What is obstructive jaundice?

A

-caused by obstruction of common bile duct
-d/t gallstones or pancreatic cancer (tumor)
-result: retention of bile—pigment stains sclera yellow

51
Q

What is cirrhosis (chronic liver disease)?

A

-caused by alcohol toxicity, viral infection, or autoimmune disease
-incr production of fibrocollagenous tissue leads ti irregular scarring
-result: destruction of portal system connections

52
Q

What does surgical removal of the gallbladder result in?

A

6 months of constant bile drip into duodenum

53
Q

What are gallstones?

A

-form in the gallbladder or biliary tree (all bile duct) presents as RUQ pain or shoulder pain
-bile duct with gallstones—-obstructive jaundice
-cystic duct with gallstones—cholecystitis

54
Q

The hepatopancreatic ampulla of vater can be found in which segment of the
duodenum?
a. Horizontal
b. Descending
c. Ascending
d. Superior

A

b

55
Q

Which of the following statements is true of the lesser omentum?
a. It forms the hepatoduodenal ligament
b. It is located anterior to the stomach
c. It connects to the transverse colon
d. It derives the innervation to abdominopelvic wall

A

a

56
Q

What is the bare area of the liver?
a. Visceral surface without peritoneum
b. Diaphragmatic surface with peritoneum
c. Visceral surface with peritoneum
d. Diaphragmatic surface without peritoneum

A

d

57
Q

What part of the stomach connects to the esophagus at the esophagogastric
junction?
a. Pylorus
b. Antrum (body)
c. Cardia
d. Lesser curvature

A

c

58
Q

What is the main blood supply to the stomach?
a. Celiac trunk
b. Superior mesenteric artery
c. Inferior mesenteric artery
d. Arcades arteries

A

A

59
Q

Which statement accurately defines the epiploic (omental) foramen?
a. Space that separates the components of the lesser omentum
b. Space that separates the components of the greater omentum
c. Opening between the lesser and greater peritoneal sac
d. Superior recess of lesser peritoneal sac

A

c

60
Q

Which of the following best describes the hepatoduodenal ligament?
A. It is derived from the dorsal mesentery
B. It’s a continuation of the greater omentum
C. It’s a continuation of the lesser omentum
D. It connects the stomach to the liver

A

C

61
Q

What is the 1st part of the stomach that is immediately adjacent to the esophagus?

A

Cardia

62
Q

On Exam for the past 2 years: Which ligament suspends the liver from the diaphragm?

A

Coronary ligament

63
Q

A patient walks into the ER complaining of shoulder pain. After a few tests, it was found that the patient has gallstones in their cystic duct and it is obstructed, what could be their diagnosis?

A

Cholecystitis (obstructive jaundice would be the diagnosis if it was the bile duct)

64
Q

Which of the following describes heptoduodenal ligament?
a. greater omentum
b.lesser omentum
c. lesser sac
d. greater sac

A

b