07-06 GIT Gx Liver & Hepatobiliary Flashcards

1
Q

The Cantlie’s line is an oblique plane extending from the ___ to the ___

A

center of the gallbladder bed to the the inferior vena cava

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

The right hemiliver comprises segments

A

5, 6, 7, 8

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

The left medial section is Couinaud’s segment

A

4

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

The superior border of Calot’s triangle is formed by the

A

inferior surface of the liver

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Liver receives 75% of blood flow from the

A

portal vein

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

location of the liver

A

It lies in the RUQ of the abdomen (~7-11th rib)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

true or false. Easily palpable at the subcostal margin in normal individuals

A

false

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

weight of the liver

A

around 1200 – 1800gms in a normal individual

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Majority of the blood from the small and large intestines is transmitted to the liver thru the

A

portal vein

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

it is a potential space above and anterior the diaphragmatic surface of the liver

A

Sub-phrenic recess of the liver

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Sub-phrenic recess of the liver is divided into Left and Right recesses by the

A

falciform ligament

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

it is a “dependent area” in the abdomen where one would look for free intraperitoneal fluid

A

Sub-phrenic recess of the liver

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

true or false. sub-phrenic recess of the liver is the area where “pneumoperitoneum” in Upright chest x-rays is most evident

A

false

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

it is the potential space between the liver and right kidney

A

Morison pouch

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Morison pouch contains the “Bare area” of the liver. true or false

A

true

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Morison pouch. Free blood in the peritoneal cavity is usually evident in this area on ultrasound or CT scan. true or fase

A

true

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Morison pouch is lined/surrounded by peritoneum

A

false

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Boundaries of the “Bare Area” of the liver, EXCEPT: A. Coronary ligaments
B. Left triangular ligament
C. Falciform ligament
D. Right triangular ligament

A

C. Falciform ligament

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

Portal Hepatis contains

A

bile duct,
hepatic artery,
hepatic portal vein

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

The portal vein is usually formed by the union of:

A

Superior mesenteric vein & Splenic vein

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

Which of the following is NOT TRUE about the hepatic veins:
A. Funnels blood from the central veins of the liver into the inferior vena cava B. there are 3x: Right, Middle and Left
C. They are intersegmental, draining the segments adjacent to each
D. Lies in the porta hepatis

A

all are true

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

The Right sagittal fissure of the liver is formed by:

A

Gallbladder & Inferior vena cava

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

Calot’s Triangle is important because it is the usual location of:

A

Cystic artery

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

The valves of Heister are mucosal folds in the

A

cystic duct

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

The cystic artery usually arises from the

A

right hepatic artery

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

The Ligamentum venosum

A

is the remnant of the ductus venosus which shunts blood into the inferior vena cava

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

Which of the following statements is NOT TRUE about the Functional Lobes of the liver?
A. There are 8 functional segments of the liver
B. These segments are not well demarcated from each other
C. Each segment has its own supply from the portal vein and hepatic artery
D. Each segment is drained by individual hepatic ducts and veins

A

D. Each segment is drained by individual hepatic ducts and veins

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
28
Q

A “Left lateral segmentectomy” of the liver entails the removal of which functional lobes:

A

2 & 3

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
29
Q

Which of the following is NOT TRUE about the Caudate lobe:
A. it is also known as the Quadrate lobe
B. it receives its own blood supply from the hepatic artery and portal vein
C. it is often drained by its own hepatic veins which drain directly into the inferior vena cava
D. Corresponds to segment 1 of the functional divisions of the liver

A

A. it is also known as the Quadrate lobe

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
30
Q

the liver is covered by peritoneum EXCEPT in this surface

A

posterior

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
31
Q

the liver is anatomically divided into right and left lobes by the

A

falciform ligament

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
32
Q

the liver is functionally or surgically divided into right and left lobes by the

A

Cantlie’s line

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
33
Q

each liver segment is individually supplied and drained by the ff structures EXCEPT:

a) portal vein
b) hepatic vein
c) segmental brances of the hepatic artery
d) tributaries of the bile duct

A

b) hepatic vein

34
Q

bare area of the liver

A

diaphragmatic surface

35
Q

Morison pouch is aka

A

Hepatorenal recess

36
Q

superior extensions of the peritoneal cavity (greater sac); exist between diaphragm and the anterior and superior aspects of the diaphragmatic surface of the liver

A

subphrenic recesses

37
Q

subphrenic recesses is separated into right and left recesses by the

A

falciform ligament

38
Q

fluid draining from the omental bursa flows into recess

A

hepatorenal recess (Morison pouch)

39
Q

visceral surface of the liver is also covered with visceral peritoneum EXCEPT

A

fossa for gallbladder and

porta hepatis

40
Q

a transverse fissure that contains the portal triad

A

porta hepatis

41
Q

continuous groove formed anteriorly by the fissurefor the round ligament and posteriorly by the fissure for the ligamentum venosum

A

umbilical (left sagittal) fissure

42
Q

fibrous remnant of the “umbilical vein”, which carried well-oxygenated and nutrient-rich blood from the placenta to the fetus

A

round ligament of the liver (L. ligamentum teres hepatis)

43
Q

fibrous remnant of the fetal “ductus venosus”, which shunted blood from the umbilical vein to the IVC, short-circuiting the liver

A

ligamentum venosum

44
Q

which functional lobe is segment I

A

caudate lobe

45
Q

the left and right livers are subdivided into medial and lateral divisions by ___

A

right portal and umbilical fissures

46
Q

a “transverse hepatic plane” at the level of the horizontal parts of the right and left branches of the portal triad subdivides 3 of the 4 (all but the _____), creating six hepatic segments, each receiving tertiary branches of the triad

A

left medial division

47
Q

hepatic artery, branch of the ___, may be divided into ___

A

celiac trunk;

common hepatic artery and hepatic artery proper

48
Q

common hepatic duct is joined by the ___ to form the bile duct

A

cystic duct

49
Q

circular muscle around the distal end of the bile duct is thickened to form the

A

sphincter of the bile duct (L. ductus choledochus)

50
Q

blood supply of the proximal part of the bile duct

A

cystic artery

51
Q

blood supply of the middle part of the bile duct

A

right hepatic artery

52
Q

blood supply of the retroduodenal part of the bile duct

A

posterior superior pancreaticoduodenal artery and

gastroduodenal artery

53
Q

venous drainage from the proximal part of the bile duct and hepatic ducts

A

usually enter the liver directly

54
Q

venous drainage from the distal part of the bile duct

A

posterior superior pancreaticoduodenal vein&raquo_space;> which empties into hepatic portal vein or one of its tributaries

55
Q

lymphatic vessels from the bile duct passes to the

A

cystic lymph nodes (near the neck of the gallbladder)&raquo_space;> lymph nodes of the omental fissure&raquo_space; hepatic lymph node of the omental foramen&raquo_space;> hepatic lymph nodes

efferent lymphatic vessels from the bile duct passes to the celiac lymph nodes

56
Q

storage area which can hold up to 50mL bile

A

gallbladder

57
Q

3 parts of the gallbladder

A

fundus, body, neck

58
Q

main portion of the gallbladder that contacts the visceral surface of the liver, transverse colon, and superior part of the duodenum

A

body of gallbladder

59
Q

part of gallbladder where stones are usually stuck

A

neck of the gallbladder

60
Q

connects the neck of the gallbladder to the common hepatic duct

A

cystic duct

61
Q

connects with the common hepatic duct to form the bile duct

A

cystic duct (has anatomical variants)

62
Q

blood supply of the gallbladder

A

cystic artery

63
Q

cystic artery commonly arises from the ____ in the triangle between the common hepatic duct, cystic duct, and visceral surface of the liver called ___

A

right hepatic artery;

cystohepatic triangle (of Calot)

64
Q

venous drainage from the neck of the gallbladder and cystic duct

A

cystic veins

65
Q

small and usually multiple veins that enter the liver directly or drain through the hepatic portal vein to the liver

A

cystic veins

66
Q

veins from the fundus and body of the gallbladder

A

pass directly into the visceral surface of the liver and drain into the hepatic sinusoids

67
Q

lymphatic drainage of the gallbladder

A

hepatic lymph nodes&raquo_space; cystic lymph nodes

efferent lymphatic vessels from these nodes pass tot he celiac lymph nodes

68
Q

sympathetic nerve supply of gallbladder and cystic duct

A

celiac (nerve) plexus

69
Q

parasympathetic nerve supply of the gallbladder and cystic duct

A

vagus nerve

70
Q

somatic afferent fibers of the gallbladder and cystic duct (nerve supply)

A

right phrenic nerve

71
Q

innervation of the gallbladder and cystic duct

A

celiac (nerve) plexus,
vagus nerve,
right phrenic nerve

72
Q

parasympathetic stimulation of nerves of gallbladder causes

A

contractions of the gallbladder and
relaxation of the sphincters at the hepatopancreatic ampulla

(stimulated by hormone cholecystokinin, CCK - produced by duodenal walls in response to arrival of fatty meal)

73
Q

part of the gallbladder that may be palpated in the right border of the right rectus muscle and at the tip of the 9th costal cartilage

A

fundus

74
Q

part of the hepatobiliary tree that run along the hepatoduodenal ligament

A

common bile duct

75
Q

which part of the common bile duct lies behind the firs part of the duodenum

A

2nd

76
Q

hepatocystic triangle is an important part of gall bladder surgery.. used to identify

A

cystic artery

77
Q

inflammation of the subdiaphragmatic parietal peritoneum due to an acute cholecystitis may manifest as pain in the shoulder due to the irritation of

A

phrenic

78
Q

obstruction of the portal circulation may lead to varicosities in the systemic circulation. The appearance of “caput medusa” is a manifestation of varicosity involving which collateral portal circulation?

A

paraumbilical

79
Q

main channel of portal venous system

A

hepatic portal vein

80
Q

hepatic portal vein is the union of

A

superior mesenteric and
splenic veins
+ inferior mesenteric vein (IMV) in 1/3 of individuals

81
Q

in most people IMV enters the

A

splenic vein (60%) or the SMV (40%)