Biochemistry Quiz: Lipids Metabolism

Which enzyme is secreted by Ebner's glands on the dorsal surface of the tongue?

• Pancreatic lipase

• Intestinal lipase

• Lingual lipase

• Gastric lipase

What is the optimum pH for gastric lipase?

• 7

• 5

• 10

• 1

What is the most important lipase in the digestion of triacylglycerols?

• Intestinal lipase

• Gastric lipase

• Lingual lipase

• Pancreatic lipase

What percentage of 2-monoacylglycerols are absorbed as such?

• 90%

• 28%

• 50%

• 72%

Cholesterol itself undergoes no digestion and is absorbed as such. True or False?

• False

• True

What enzyme digests cholesteryl esters into cholesterol and fatty acids?

• Pancreatic cholesterol esterase

• Intestinal lipase

• Gastric lipase

• Lingual lipase

Where are the end products of lipid digestion absorbed from?

• Jejunum and Ileum

• Stomach

• Colon

• Esophagus

What happens to short chain fatty acids and glycerol after absorption?

• They pass via portal circulation to the liver

• They are stored in the liver

• They are converted to proteins

• They are excreted

What are other lipids combined with to form chylomicrons?

• Apolipoprotein A

• Apolipoprotein B4

• Apolipoprotein C

• Apolipoprotein D

What is the condition in which the fat content of the stool is abnormally increased?

• Chyluria

• Hyperlipidemia

• Steatorrhoea

• Lipodystrophy