Multiple Choice Question on Lipid Digestion and Absorption
1) What is the enzyme responsible for the breakdown of triglycerides into fatty acids and mono-acylglycerol in the intestine?
a) Pancreatic lipase
b) Lipoprotein lipase
c) Hormone-sensitive lipase
d) Phospholipase
2) What is the function of bile salt in the intestine?
a) Activator of lipase
b) Emulsifier
c) Co-factor for cholesteryl esterase
d) Inhibitor of lipid absorption
3) What is the precursor for bile salt synthesis?
a) Fatty acid
b) Glucose
c) Cholesterol
d) Glycerol
4) The anti-obesity drug Orlistat inhibits
a) Pancreatic lipase
b) Lipoprotein lipase
c) Hormone-sensitive lipase
d) Phospholipase
5) Which of the following class of fatty acids can be directly absorbed from the intestine?
a) Very long-chain fatty acid
b) Long-chain fatty acid
c) Short-chain fatty acid
d) Cholesterol esters
6) The lipid digestion process is regulated by different local hormones.
The cholecystokinin hormone released from...........................................
a) Mucosa of the jejunum
b) Pancreatic delta cells
c) Gastric Parietal cells
d) Pancreatic alpha cells
7) Which of the following is not the effect of cholecystokinin released from mucosal cells of the jejunum?
a) Contraction of gall bladder and release of bile acids
b) Release of digestive enzymes from the exocrine pancreas
c) The slower release of gastric content into the stomach
d) Increased gastric motility
8) Lack of appropriate lipid absorption leads to a condition known as..................................
a) Metabolic syndrome
b) Obesity
c) Fatty liver
d) Steatorrhea
a) Mucosa of the jejunum
b) Pancreatic delta cells
c) Gastric Parietal cells
d) Pancreatic alpha cells
7) Which of the following is not the effect of cholecystokinin released from mucosal cells of the jejunum?
a) Contraction of gall bladder and release of bile acids
b) Release of digestive enzymes from the exocrine pancreas
c) The slower release of gastric content into the stomach
d) Increased gastric motility
8) Lack of appropriate lipid absorption leads to a condition known as..................................
a) Metabolic syndrome
b) Obesity
c) Fatty liver
d) Steatorrhea
Answers:
1-a) Pancreatic Lipase
2-b) Emulsifier
3-c) Cholesterol
4-a)Pancreatic Lipase
4-a)Pancreatic Lipase
5-c) Short-chain fatty acid
6-a) Mucosa of the jejunum
7-c) The slower release of gastric content into the stomach
8-d) Steatorrhea