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WorksheetsN4 Chapter Review
Total questions: 124
Worksheet time: 1hrs 2mins
Typical chemical formula of carbohydrates
(CH2O)n
C6H12O6
C2HO2
C2H2O2
Which of the following elements are found in the nutrients? (Choose all that apply.)
carbon
hydrogen
oxygen
nitrogen
sulfur
How many bonds can hydrogen form?
1
2
3
4
5
How many bonds can oxygen form?
1
2
3
4
5
How many bonds can nitrogen form?
1
2
3
4
5
How many bonds can carbon form?
1
2
3
4
5
Which of the following are alternate names for monosaccharides? (Choose all that apply.)
single sugars
simple sugars
simple carbohydrates
dietary fibers
starches
All of the following apply to glucose EXCEPT
C6H12O6
monosaccharide
blood sugar
dextrose
energy storage molecule
All of the following apply to fructose EXCEPT
C6H12O6
monosaccharide
fruit sugar
very sweet
insoluble
Glucose
Fructose
Which of the following is FALSE regarding condensation reactions?
link two monosaccharides
one molecule of water is released
two molecules become linked by an oxygen molecule
commonly occurs during digestion
could produce sucrose
Name the type of reaction shown.
hydrolysis
condensation
bonding
digestion
Name the type of reaction shown.
hydrolysis
condensation
bonding
digestion
The conversion of glucose into glycogen requires ______________ reaction(s).
hydrolysis
condensation
Identify the components of maltose. (Check all that apply.)
glucose
galactose
fructose
lactose
sucrose
Identify the components of sucrose. (Check all that apply.)
glucose
galactose
fructose
lactose
sucrose
Identify the components of lactose. (Check all that apply.)
glucose
galactose
fructose
glucomannon
sucrose
Also called "table sugar"
sucrose
lactose
maltose
starch
glucose
Also called "milk sugar"
sucrose
lactose
maltose
starch
glucose
Food is not a significant source of this polysaccharide
glycogen
starch
fiber
lactose
glucose
glycogen
galactose
lactose
maltose
starch
oligosaccharide
fructose
maltose
Which of the following are legumes? (Check all that apply.)
pinto beans
garbanzos
millet
cassava
potatoes
Which of the following is a good source of starches?
oats
milk
sugarcane
meats
Most fibers are disaccharides.
True
False
Celery "strings" and corn kernel skins are often visible in feces and can benefit the GI tract because they are made of
insoluble fibers
soluble fibers
viscous fibers
fermentable fibers
Fermentable fibers are digested by
humans
bacteria
condensation reactions
plants
stomach acid
dietary fiber
functional fiber
total fiber
Non-starch polysaccharides are also known as
fibers
oligosaccharides
starches
glycogens
tubers
Digestive enzyme found in the mouth
amylase
amylose
maltase
sucrase
lactase
Which two organs carry out most carbohydrate digestion?
mouth
stomach
small intestine
liver
large intestine
Carbohydrate digestion occurs in the stomach.
True
False
The carbohydrate type that contribute the most to satiety is
monosacharides
disaccharides
starches
fibers
Lactase converts Lactose to Glucose + ____________________
Fructose
Glucose
Galactose
Maltose
Maltase converts Maltose to Glucose + ____________________
Fructose
Glucose
Galactose
Maltose
Sucrase converts Sucrose to Glucose + ____________________
Fructose
Glucose
Galactose
Maltose
Stool is softened for elimination by
fibers absorbing water
bacteria fermenting fibers
monosaccharides being transported into the blood
pancreatic enzymes
Which of the following is NOT a significant source of resistant starches?
bananas
potatoes
milk
legumes
grains
Beans are high in FODMAP.
True
False
Lactose is found in milk or ice cream.
True
False
Therapeutic diet refers to
diabetes
food allergies
the use of diet or certain foods in the treatment and
management of diseases.
a medical condition
Which of the following are high in FODMAP?
wheat
milk
onions
legumes
chicken
Glucose is transported into intestinal lining cells via
osmosis
passive transport
active transport
endocytosis
Blood leaves the small intestine and head to the liver via the
hepatic portal vein
aorta
capillaries
vena cava
abdominal aorta
Fructose and galactose exit the liver intact.
True
False
Intolerance is caused by...
An infection
Deficiency of enzymes that metabolize carbohydrates
Approximately how many adults are lactose intolerant worldwide?
65%
45%
35%
25%
5%
Which nutrients are important components of dairy milk? (Check all that apply.)
Vitamin D
potassium
calcium
protein
sucrose
The overall goal of carbohydrate digestion is to
break carbohydrates down into monosaccharides
generate disaccharides
move fibers into the bloodstream
obtain kcal within the intestinal cells
Monosaccharide that is found in blood
Maltose
Fructose
Sucrose
Glucose
Starch
A steady or balanced state of the body
Homeostasis
Homeopathy
Negative feedback
Positive feedback
Nutrition
The primary storage sites of glycogen in the human body are
Liver and heart
Brain and skeletal muscle
Liver and brain
Liver and skeletal muscle
The process of converting protein into glucose in times of low carbohydrate intake
glycolysis
glycogenolysis
gluconeogenesis
glucagon
ketosis
Skeletal muscles collectively store about ___% of the body's glycogen stores.
25
45
75
100
Proteins are often needed for purposes other than providing energy. Carbohydrates in the diet support these purposes through
protein condensation action
protein-hydrolytic action
protein-using action
protein-sparing action
Ketosis can be dangerous because it upsets the body's
kcal requirements
acid-base balance
fasting blood glucose levels
peristalsis
Glucose homeostasis can be altered by (Choose all that apply.)
quantity of carbs eaten
quality of carbs eaten
fat eaten with carbs
fiber eaten with carbs
Which of the following is/are a normal fasting blood glucose level(s)? (Choose all that apply.)
70
80
90
100
110
Which hormone is produced by the liver?
insulin
glucagon
both insulin and glucagon
neither insulin nor glucagon
Which hormone is produced when the blood glucose concentration is above normal?
insulin
glucagon
both insulin and glucagon
neither insulin nor glucagon
Which hormone is produced when the blood glucose concentration is below normal?
insulin
glucagon
both insulin and glucagon
neither insulin nor glucagon
Which hormone is transported by the bloodstream?
insulin
glucagon
both insulin and glucagon
neither insulin nor glucagon
Which hormone signals for the conversion of glucose to glycogen?
insulin
glucagon
both insulin and glucagon
neither insulin nor glucagon
Which hormone signals the liver to convert glycogen to glucose?
insulin
glucagon
both insulin and glucagon
neither insulin nor glucagon
Which hormone increases cell membrane permeability to glucose?
insulin
glucagon
both insulin and glucagon
neither insulin nor glucagon
Which hormone activates its function at the pancreas?
insulin
glucagon
both insulin and glucagon
neither insulin nor glucagon
A person has not eaten for 12 hours. Which hormone is likely being produced consistently during this time?
insulin
glucagon
both insulin and glucagon
neither insulin nor glucagon
A person ate a meal rich of carbohydrates. Which hormone is likely produced after the food is digested and absorbed?
insulin
glucagon
both insulin and glucagon
neither insulin nor glucagon
T/F: People can prevent type 2 diabetes
true
false
T/F: People can prevent type 1 diabetes
true
false
T/F: Most people who have type 2 diabetes are overweight
true
false
Diabetes is defined best as...
A metabolic disease characterized by high blood sugar
A metabolic disease characterized by low blood sugar
A family of blood infections
None of the above
Which condition reflects inadequate production of insulin?
type 1 diabetes
type 2 diabetes
type 3 diabetes
hypoglycemia
Which condition reflects insensitivity of cells to insulin?
type 1 diabetes
type 2 diabetes
type 3 diabetes
hypoglycemia
The term "sugars" refers to: (Check all that apply.)
monosaccharides
disaccharides
polysaccharides
fiber
starch
Which of the following is NOT a role of sugars in foods?
allow fermentation by yeasts
preservatives
sweeten the taste
balance acidity
feed the microbiome
The main nutrition concern over too-high sugar intake is
too many kcals for nutrient needs to be met
blood sugar spikes
too few kcals to power the body
more fiber than the intestines could handle
too-high vitamin intake
The average US adult consumes ___ of kcals as sugars.
5%
10%
15%
20%
25%
Refined white sugar with added molasses is known as (a) sugar.
"Confectioner's sugar" is powdered (a) .
Refined corn starch is known as _____ _____.
(a)
HFCS stands for
(a)
High fructose corn syrup contains 42-55% ______ and the rest is ______.
fructose; glucose
glucose; fructose
sucrose; fructose
lactose; galactose
maltose; sucrose
This sweetener is a by-product of sugar refining and is high in iron and calcium.
molasses
brown sugar
levulose
maple syrup
malt sugar
Sugar taken directly from plants, especially flowers, is called
(a)
Which of the following is banned in the US due to high levels of contaminants?
raw sugar
turbinado sugar
trehalose
tagatose
"Table sugar" is granulated, refined (a) .
Dental caries occur when _____ ferment sugars in the mouth, producing enamel-damaging acid.
bacteria
gum cells
plaques
viruses
fungi
The reocmmended daily intake of sugars is less than (a) % of daily kcals.
People with PKU disease should not consume
aspartame
sucralose
stevia
monk fruit
Which of the following are non-nutritive sweeteners? (Check all that apply.)
aspartame
saccharin
advantame
neotame
xylitol
Which of the following are nutritive sweeteners? (Check all that apply.)
mannitol
saccharin
sorbitol
neotame
xylitol
Nutritive sweeteners are also known as sugar alcohols or (a) .
Which are "tooth-neutral"?
nutritive sweeteners
natural sugars
non-nutritive sweeteners
Consuming more than 10g of sugar alcohols could cause
diarrhea
laxative effect
flatulence
belching
acid reflux
Eating starches in whole foods has the added benefit of
providing additional nutrients
having lower kcals per gram of carbs
tasting better
reducing bulk in the stool
A food has 28 of total carbs, 3g fiber and 2g sugars. How much starch does it contain in grams?
(a)
Fiber can bind with bile and eliminate excess ______ from the body.
cholesterol
bile
hemoglobin
sugar
stool
Fiber can reduce overall kcal consumption because it increases
satiety
hunger
thirst
starch content
fatigue
Which of the following is NOT known to be reduced by adequate daily fiber intake?
colorectal cancer
hemorrhoids
appendicitis
diverticulitis
Celiac disease
Eating too much fiber at one time can cause gas, bloating, abdominal pain, and _______ nutrient absorption.
reduce
increase
eliminate
ensure
RDI for total carbs is (a) g per day.
AMDR for carbs is (a) to 60% of daily kcals.
The Daily Value intake for fiber is (a) g in a 2,00kcal diet.
A food label can claim its contents are a "good" source of fiber if they contain at least ___ g of fiber per serving.
1
2.5
5
15
A food label can claim its contents are an "excellent" source of fiber if they contain at least ___ g of fiber per serving.
1
2.5
5
15
The average American consumes only 16g of fiber per day, much lower than the recommended 28g. Which strategy would help to increase fiber intake while keeping kcals in a healthy range.
replace some meat with legumes
replace some sugars with starches
avoid all fats and proteins
increase fruit intake
Which of the following are high-starch vegetables? (Check all that apply.)
corn
peas
potatoes
tomatoes
asparagus
Milk and cheese provide carbs in the form of
sugar
starch
fiber
Protein foods are generally poor in fiber, with the exception of ____ which are high in fiber.
legumes
white meats
red meats
cheeses
Are there really such things as "good carbs" and "bad carbs"?
yes
no
I don't know
But are there good crabs?
Since the 1970s, the average US adult body weight has increased
25-30lbs
0-5lbs
5-10lbs
15-25lbs
Low-carb and low-fat diets typically have similar results.
true
false
Foods containing added sugars are more likely to contribute to weight gain than any other foods.
true
false
Seeking "comfort foods" is often an effort to increase levels of the neurotransmitter _____.
serotonin
dopamine
acetylcholine
GABA
Foods with a high glycemic index trigger some of the same pathways as other forms of reward and pleasure.
true
false
Fructose is metabolized only in the (a) .
High intake of sugars including fructose can lead to the development of
fatty liver
diabetes
atherosclerosis
weight loss
Which of the following are potential benefits of a low-glycemic diet? (Choose all that apply.)
decreased appetite
richer in nutrients
higher in fiber
better adherence to AMDR recommendations
more "good carbs"
What is the easiest way for the average US adult to reduce sugar intake?
replace sugary drinks with water
avoid desserts
reduce intake of bread and crackers
eat a low-fat diet
use honey instead of other sweeteners
