WGU NUTRITION CARBOHYDRATES
EXAM QUESTIONS AND ANSWERS
What type of fiber is insoluble and helps the digestive tract hold water? - Answer-Lignin,
cellulose, hemicellulose
True or false: sucrose is a disaccharide and is common table sugar, found naturally in
molasses - Answer-True
What does soluble fiber do to lower blood cholesterol levels? - Answer-It binds to bile
acids
True or false: carbohydrates must be broken down into monosaccharides before they
can be absorbed into circulation? - Answer-True
What food is a good source of pectin and can help in reducing the total cholesterol
level? - Answer-Oranges
Which problem is associated with the net carb theory? - Answer-It's a marketing tactic,
excessive sugar alcohols can cause diarrhea, sugar alcohols and fiber have low
glycemic index values
What food source contributes to dental caries? - Answer-Fruit drinks, sport drinks, ready
to eat breakfast cereals
True or false: glucose is a monosaccharide found naturally in almost all types of foods?
- Answer-False
What consumption replacement would not be as helpful for decreasing the amount of
added sugar in the diet? - Answer-Replacing soft drinks with fruit drinks
What are some features of carbohydrates? - Answer-Maltose and galactose are not
found as such in food form, unused glucose is stored in the body
What are some food sources of insoluble fiber? - Answer-Bran, whole grains, and
broccoli
What aspect if carbohydrate digestion is facilitated by the liver? - Answer-Regulation of
glucose entering the blood in response to pancreatic hormones
What statements about hypolactasia are correct? - Answer-Lactase is abundantly
secreted in the neonatal period, hypolactasia does not present side effects until less
than 50% of the enzyme is active
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