NUTR 331 Mid Term Exam Study Guide
from Quizzes and Textbook Self Check
Questions Athabasca University
what is the primary function of glucose in the body?
✔✔furnish energy
insulin
✔✔what hormone lowers blood glucose?
glucagon
✔✔what hormone raises blood glucose?
epinephrine (adrenaline)
✔✔what hormone affects blood glucose during times of stress?
50-55%
✔✔average carbohydrate intake is about what percentage of total energy
intake?
17 grams
✔✔what is the average daily intake of dietary fibre in Canada?
wheat bran
✔✔what source of fibre has the greatest increase in fecal weight?
,130
✔✔the RDA for carbohydrate intake per day is how many grams?
to eat a variety of fibre-containing foods and eat more unprocessed
complex carbohydrates
✔✔to ensure appropriate fibre intake, what is recommended?
carbon, hydrogen, and oxygen
✔✔carbohydrates are made of what 3 elements?
glycogen
✔✔form of glucose storage in animals
starch
✔✔form of glucose storage in plants
lignin
✔✔the non-polysaccharide fibre found in plants
cholesterol; glucose
✔✔health effects of viscous fibre: lower _______ and slowing of ______
absorption
fruit, vegetables, grains, legumes
✔✔4 examples of dietary fibre sources
, the major carbohydrate in enriched flour is starch. in the mouth the
amylase digests starch into maltose. The start passes unchanged to small
intestine. Maltose also passes to small intestine. Amylase breaks
remaining starch into maltose and then an enzyme turns maltose into two
glucose.
✔✔describe chemical process for carbohydrate in bread made from
enriched flour, including digestion site(s), enzyme names, and digestion
products
triglycerides
✔✔what is the most abundant form of lipid in the body?
egg whites, margarine, avocados
✔✔what are 3 foods that are free of cholesterol?
unsaturated fatty acids
✔✔vegetable oils are liquid because they contain large amounts of:
olive oil
✔✔what is the best source of monounsaturated fatty acids?
linolenic acid, EPA, DHA
✔✔what fatty acids belong to omega-3 series?
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