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NSC 101 EXAM 2 QUESTIONS AND ANSWERS
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NSC 101 EXAM 2 QUESTIONS AND ANSWERS
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NSC 101 EXAM 2 QUESTIONS AND ANSWERSCarbohydrates are the first link in the food chain and are obtained almost exclusively
from Select 1. Through Select 2, plants combine carbon dioxide, water, and the sun's
energy to form Select 3, from which the human body can obtain energy. Carbohydrates
are made of carbon, hydrogen, and Select 4. - Answers -1. plants
2. photosynthesis
3. glucose
4. oxygen
What is a disaccharide comprising glucose and galactose? - Answers -lactose
A general term for a complex carbohydrate or a long strand of glucose units linked
together is Select 1. Plants store glucose as Select 2, whereas humans store glucose
as Select 3. The most abundant source of glucose on earth, Select 4, cannot be
digested by humans. - Answers -1. polysaccharide
2. starch
3. glycogen
4. cellulose
What does the human brain prefer to metabolize as its energy source? - Answers -
carbohydrates
Evidence suggests that foods rich in fiber can improve heart health. Which food item is
the best choice to lower your blood cholesterol level and reduce cardiovascular disease
risk? - Answers -oatmeal
Starch that you eat is first broken down in the Select 1. and then the Select 2, where
absorption occurs, and these monosaccharides can then be converted into glucose in
the Select 3, before going out to the cells of the body. - Answers -1. mouth
2. small intestine
3. liver
The predominant type of diabetes is type Select 1. diabetes, characterized by Select 2.
resistance of the body's cells. In contrast, the person with type Select 3. diabetes does
not produce enough insulin because the person's immune system attacks the cells of
the Select 4. that produce it. - Answers -1. 2
2. insulin
3. 1
4. pancreas
Tina eats approximately 2,450 cal per day and her carbohydrate intake is 35 percent of
her diet. How many grams of carbohydrates does Tina eat per day? - Answers -214 g
((2450x.35)/4)
, Tina is a 22-year-old who drinks at least 20 oz of regular soda per day with minimal
exercise. She has been obese all of her life and is likely to have __________, which
puts her at a higher risk for developing heart disease. - Answers -high blood pressure
The Atkins Diet was initially a no-carb diet. If an individual has little to no carbohydrates
in their diet the body shifts to using fat metabolism for energy. An increase in Select 1.
can accumulate in the blood and cause Select 2. due to this shift in metabolism. The
DRI recommends a minimum of Select 3. carbohydrates per day to feed the brain. -
Answers -1. ketone bodies
2. ketosis
3. 130g
Galactose and fructose are monosaccharides that are converted to glucose in the
__________. - Answers -liver
The lipids in foods and in the human body fall into Select 1. classes. About 95 percent
of these lipids are Select 2. Other classes of the lipid family include the phospholipids
and Select 3. - Answers -1. 3
2. triglycerides
3. sterols
The human body stores fat __________. - Answers -in adipose tissue that secrete
appetite-regulating hormones
Lecithin is a strong emulsifier and an example of a __________. - Answers -
phospholipid
Emulsification is important to be able to digest and absorb fats within the body. Humans
have the ability to emulsify fats because we produce _________ that is stored in the
gallbladder. - Answers -bile
Four useful functions of fats in foods are to provide a concentrated Select 1. source,
provide essential Select 2. vitamins, enhance food's aroma and Select 3, and contribute
to Select 4. - Answers -1. energy
2. fat-soluble
3. flavor
4. satiety
Identify whether the following health effects are most characteristic of insoluble fiber,
soluble fiber, or both.
Slows transit of food through the upper digestive tract: Select 1.
Lowers blood cholesterol: Select 2.
Lowers risk of hemorrhoids: Select 3.
Alleviates constipation: Select 4.
Slows glucose absorption: Select 5. - Answers -1. soluble fiber
2. soluble fiber
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