The chemical structure of all the vitamins is similar to each other.
Indicate whether the statement is true or false
Q. 2What are the factors that influence a person's risk for developing cardiovascular disease?
Q. 3Explain the part of triglyceride digestion that occurs in the stomach.
Q. 4Briefly explain the structure and properties of phospholipids.
Q. 5Describe very-low-density lipoproteins (VLDLs) and their functions.
Q. 6How does pancreatic lipase act on triglycerides to digest fatty acids?
Q. 7Identify a property of a saturated fatty acid (SFA).
A) It is disorganized and loosely packed.
B) It has fewer hydrogen atoms than an unsaturated fatty acid.
C) It has at least one carbon-carbon double bond in its backbone.
D) It cannot bend and forms straight chains.
Q. 8The function of the hormone cholecystokin (CCK) in the small intestine is to:
A) secrete gastric lipase, which in turn activates lingual lipase.
B) contract the gallbladder and release bile into the duodenum.
C) cause the stomach lining to vigorously contract.
D) synthesize pancreatic lipase that gets released into the stomach.
Q. 9Which of the following is true of long-chain fatty acids absorbed?
A) They are directly attached to albumin and circulated to the liver in the blood.
B) They are packaged into micelles and then taken up by the intestinal cells.
C) They are transported into the intestinal cells unassisted.
D) They are directly absorbed into the bloodstream.
Q. 10_____ is an important step in the third stage of lipid digestion because the watery environment of the gastrointestinal tract can cause lipids to clump together in large lipid globules that are difficult to digest.
A) The mixing of chyme with bile
B) The action of saliva on lipids
C) The inactivation of gastric lipase
D) The production of lingual lipase
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