GI2

Question 1

Outer surface of the liver is covered by a capsure called

Answer 1

Glisson’s capsule

Question 2

Hepatocytes are arranged in hepatic plates

Cell thick

Answer 2

In adult, 1 cell thick

Up to 7 yrs, 2 cell thick

Question 3

Hepatic plates are separated by

Answer 3

Sinusoidal capillaries

Question 4

Hepatocytes make up

Answer 4

80% of cell population of the liver

Binucleated cells are common

Question 5

Lifespan of hepatocytes

Answer 5

5 mos

Question 6

How do hepatic sinusoids differ from other sinusoids?

Answer 6

They have Sinusoidal Macrophages or Kupffer Cells

Question 7

Sinusoids are lined by endothelium that is

Answer 7

Fenestrated or discontinuous

Question 8

Cell lining the sinusoids that store Vitamin A but when is in a pathological state it could turn into collagen/myofibroblast

Answer 8

Stellate cells / Hepatic Lipocyte : Lto

Question 9

Area between sinusoidal endothelium and hepatic plates

Answer 9

Space of disse or pre-sinusoidal space

Question 10

Space between connective tissue and hepatocytes

Answer 10

Portal canal

Question 11

Oval or berry shaped - represents the smallest functional unit of the heptic parenchyma

Answer 11

Liver acinus

Question 12

Short axis of the h. acinus

Long axis

Answer 12

Imaginary line between two portal vein

Imaginary line between two terminal hepatic venule

Question 13

Zone that’s first to show changes after bile duct occlusion

Answer 13

Zone 1

Question 14

Sone prone to fat accumulation, ischemic necrosis

High levels of esterases

Answer 14

Zone 3

Question 15

Monitor blood flow and content in the biliary tree

Answer 15

Cholangiocytes

Question 16

Smallest branch of biliary tree where bile is secreted from hepatocytes. Smallest canal formed by apposed grooves in the surface of adjacent hepatocytes

Answer 16

Bile cannaliculus

Question 17

Bile cannaliculus better demonstrated by

Answer 17

Silver impregnation

Question 18

From intrahepatic bile ductules —> interlobular bile ducts, lines by hepatocytes

T or F

Answer 18

F. Lined by cholangiocytes.

Question 19

In gall bladder, deep diverticula of the mucosa that may extend up to muscularis mucosa

Answer 19

Rokitansky Aschoff Sinunses

Question 20

In cystic duct, these are folds that help maintain patency of cystic duct

Answer 20

Spiral Valve of Heister

Question 21

During relaxed state the gall bladder’s mucosa is

Answer 21

Has numerous mucosal folds

Question 22

Lining of GB

Answer 22

Simple columnar

Question 23

Which cells are reponsible in conc. bile

Answer 23

Lining cells

Question 24

What drains water that will be reabsorbed in the bile

Answer 24

Loose lamina, lamina propria

Question 25

One thing to take note about the gall bladder’s mucosa and submucosa

Answer 25

Not present lolza

Question 26

Exocrine pancreas is made up of what kind of glands

Answer 26

Serosal

Question 27

Principal regulator of the pancreas

Answer 27

Hormones secretin and CCK secreted by enteroendocrine cells

Question 28

Stimulates duct cells to secrete large volume of fluid with high HCO3

Answer 28

Secretin

Question 29

Cause acinar cells to secret their proenzymes

Answer 29

CCK

Question 30

Stimulates acinar and centroacinar

Answer 30

Parasympathetic

Question 31

Pancreatic enzymes can be activated even intestinal lumen is not reached. T or f

Answer 31

F.

Question 32

Salivary Purely serous acini

Answer 32

Parotid glands

Question 33

Secretory ducts are bartholin and rivinus

Answer 33

Sublingual Predominantly mucous

Question 34

Shorter but thicker demilunes

Answer 34

Submandibula

Question 35

Main secretory duct of parotid

Answer 35

Stensens

Question 36

Mixed gland predokinanty serous

Answer 36

Submandibular/Whartons