NUT 116B GALLBLADDER AND PANCREAS NOTES AND
QUESTION PRACTICES!!
What are the roles of the gallbladder? Answers :Stores/concentrates/secrees bile
Controls delivery of bile salts to the duodenum
How does the gallbladder concentrate bile? Answers :Removes water and electrolytes
What organ SYNTHESIZES bile? Answers :Liver
Why is bile important in the digestive tract? Answers :Emulsifies fat (lipid digestion/abs)
Helps eliminate cholesterol and insoluble liver catabolites
Do we reabsorb bile salts after secretion? Answers :yah about 95 percent fo them
Where is bile reabsorbed? Answers :Terminal ileum
Why do we reabsorb bile salts? Answers :Expensive to make
Can cholesterol be broken down by the body? Answers :no actively excreted into bile in the liver
What is bile composed of? Answers :Bile acids/salts
cholesterol
phospholipids
lipophilic excretion products
Cholesterol accompanies bile, how do we get rid of it? Answers :it is basically spit back out by enterocytes
Typically dietary cholesterol is not a concern, in what cases might that not be the case? Answers :If someone has a polymorphism related to ABCG transporter; not effectively doing their job so are sensitive to dietary cholesterol
What two things do bile acids do during the digestion and absorption of lipids? Answers :Emulsify particles to enable digestion by lipases
Emulsify hydrolyzed FA, lyso PL, MG, FFA into micelles to enable absorption by enterocytes
What is cholelithiasis? Answers :Presence of gallstones
Does the presence of gallstones mean that s/s will be present?
QUESTION PRACTICES!!
What are the roles of the gallbladder? Answers :Stores/concentrates/secrees bile
Controls delivery of bile salts to the duodenum
How does the gallbladder concentrate bile? Answers :Removes water and electrolytes
What organ SYNTHESIZES bile? Answers :Liver
Why is bile important in the digestive tract? Answers :Emulsifies fat (lipid digestion/abs)
Helps eliminate cholesterol and insoluble liver catabolites
Do we reabsorb bile salts after secretion? Answers :yah about 95 percent fo them
Where is bile reabsorbed? Answers :Terminal ileum
Why do we reabsorb bile salts? Answers :Expensive to make
Can cholesterol be broken down by the body? Answers :no actively excreted into bile in the liver
What is bile composed of? Answers :Bile acids/salts
cholesterol
phospholipids
lipophilic excretion products
Cholesterol accompanies bile, how do we get rid of it? Answers :it is basically spit back out by enterocytes
Typically dietary cholesterol is not a concern, in what cases might that not be the case? Answers :If someone has a polymorphism related to ABCG transporter; not effectively doing their job so are sensitive to dietary cholesterol
What two things do bile acids do during the digestion and absorption of lipids? Answers :Emulsify particles to enable digestion by lipases
Emulsify hydrolyzed FA, lyso PL, MG, FFA into micelles to enable absorption by enterocytes
What is cholelithiasis? Answers :Presence of gallstones
Does the presence of gallstones mean that s/s will be present?
