Which nutrient group includes sugars and starches that supply energy?
A Carbohydrates
B Proteins
C Vitamins
D Minerals
Answer: A. Carbohydrates. Carbohydrates include sugars, starches, and fiber. Digestible carbohydrates provide energy, while fiber has distinct digestive effects.
How many kilocalories does one gram of carbohydrate provide on standard labels?
A Two kcal
B Four kcal
C Six kcal
D Nine kcal
Answer: B. Four kcal. The standard Atwater factor assigns about four kilocalories per gram to carbohydrate.
During basic calorie calculations, how much energy does one gram of fat provide?
A Four kcal
B Seven kcal
C Nine kcal
D Twelve kcal
Answer: C. Nine kcal. Fat provides about nine kilocalories per gram, more than carbohydrate or protein.
Which pair each provides about four kilocalories per gram?
A Fat and fiber
B Vitamins and minerals
C Water and minerals
D Carbohydrate and protein
Answer: D. Carbohydrate and protein. Carbohydrate and protein each provide about four kilocalories per gram; fat provides about nine.
Which nutrients support body functions without supplying calories?
A Vitamins and minerals
B Fats and oils
C Starches and sugars
D Proteins and amino acids
Answer: A. Vitamins and minerals. Vitamins and minerals are essential micronutrients, but they do not provide dietary calories.
What distinguishes minerals from vitamins in basic nutrition?
A Vitamins are inorganic elements
B Minerals are inorganic elements
C Minerals provide calories
D Minerals are proteins
Answer: B. Minerals are inorganic elements. Minerals are inorganic elements. Vitamins are organic compounds needed in small amounts.
Which vitamins dissolve in dietary fat?
A B vitamins and C
B Vitamin C and K
C Vitamins A, D, E, K
D Vitamins B and E
Answer: C. Vitamins A, D, E, K. Vitamins A, D, E, and K are fat-soluble and are absorbed along with dietary fat.
Which vitamins are generally water-soluble?
A Vitamins A, D, E, K
B Vitamin D and K
C Vitamin A and E
D B vitamins and C
Answer: D. B vitamins and C. The B-complex vitamins and vitamin C are water-soluble.
What simple sugar is a common fuel circulating in the blood?
A Glucose
B Lactose
C Sucrose
D Starch
Answer: A. Glucose. Glucose is a simple sugar that circulates in the blood and is used by cells for energy.
Why is dietary fiber classified as a nondigestible carbohydrate?
A It is a mineral
B It resists human digestion
C It is only fat
D It is a protein
Answer: B. It resists human digestion. Human digestive enzymes do not fully break down dietary fiber, though gut microbes can ferment some types.
What can soluble fiber do when mixed with water?
A Turn into a vitamin
B Become dietary fat
C Form a gel-like substance
D Remove all calories
Answer: C. Form a gel-like substance. Many soluble fibers absorb water and form a gel-like material in the digestive tract.
Which type of fiber can add bulk to stool?
A Added sugar
B Dietary cholesterol
C Saturated fat
D Insoluble dietary fiber
Answer: D. Insoluble dietary fiber. Insoluble fiber helps add bulk to stool and can support regular bowel movements.
What are the building blocks used to make proteins?
A Amino acids
B Fatty acids
C Simple sugars
D Mineral salts
Answer: A. Amino acids. Proteins are made from chains of amino acids.
Why must an essential amino acid come from food?
A It requires no nitrogen
B The body cannot make enough
C It is dietary fiber
D It supplies no energy
Answer: B. The body cannot make enough. An essential amino acid cannot be made by the body in sufficient amounts, so it must come from the diet.
What does a complete protein provide?
A Only one amino acid
B No essential amino acids
C All nine essential amino acids
D Only nonessential amino acids
Answer: C. All nine essential amino acids. A complete protein contains all nine amino acids considered essential for humans.
What does protein complementation involve in a plant-based diet?
A Removing every grain
B Avoiding all legumes
C Eating only fruit
D Combining varied plant proteins
Answer: D. Combining varied plant proteins. Different plant foods can complement one another’s amino acid profiles across the overall diet.
Which vitamins rely on dietary fat for absorption?
A A, D, E, K
B B1, B2, B3, C
C C, B6, B12
D Folate, niacin, biotin
Answer: A. A, D, E, K. The fat-soluble vitamins are A, D, E, and K.
At room temperature, which kind of fat is often liquid?
A Saturated fat
B Unsaturated fat
C Trans fat
D Dietary fiber
Answer: B. Unsaturated fat. Many unsaturated fats, such as common vegetable oils, are liquid at room temperature.
Which ingredient can signal industrial trans fat in a packaged food?
A Whole-grain flour
B Fresh lemon juice
C Partially hydrogenated oils
D Rolled oats
Answer: C. Partially hydrogenated oils. Partially hydrogenated oils are a source of industrially produced trans fat.
Which food is commonly high in saturated fat?
A Lentils
B Oranges
C Brown rice
D Butter
Answer: D. Butter. Butter is commonly high in saturated fat. Amounts vary by food and serving.
What does the serving size on a Nutrition Facts label describe?
A A typical amount consumed
B A required portion
C A personalized prescription
D A daily maximum
Answer: A. A typical amount consumed. The label serving size reflects an amount typically eaten or drunk; it is not a recommendation for how much to consume.
If you eat two listed servings, what happens to the label amounts you consume?
A They are halved
B They double
C They stay unchanged
D They become zero
Answer: B. They double. Calories and nutrient amounts are listed per serving, so two servings provide twice the listed amounts.
What % Daily Value or less is generally considered low?
A Ten percent
B Fifteen percent
C Five percent
D Twenty-five percent
Answer: C. Five percent. The FDA’s general guide treats 5% Daily Value or less per serving as low.
What % Daily Value or more is generally considered high?
A Five percent
B Ten percent
C Fifteen percent
D Twenty percent
Answer: D. Twenty percent. The FDA’s general guide treats 20% Daily Value or more per serving as high.
Which label entry includes sugars naturally present in milk and fruit?
A Total sugars
B Added sugars
C Dietary fiber
D Total fat
Answer: A. Total sugars. Total sugars include naturally occurring sugars and any added sugars in the food.
Which Nutrition Facts entry identifies sugars added during processing?
A Total sugars
B Added sugars
C Dietary fiber
D Protein
Answer: B. Added sugars. Added sugars are included in total sugars and are listed separately on the Nutrition Facts label.
On a Nutrition Facts label, what do listed calories refer to?
A The whole package always
B One full day
C One listed serving
D One ingredient only
Answer: C. One listed serving. Calories and listed nutrient amounts are given for the label’s serving size unless the package uses a special dual-column format.
When comparing two similar packaged foods, what should you check first?
A Their package colors
B Their brand names
C Their shelf locations
D Their serving sizes
Answer: D. Their serving sizes. Comparisons are more useful when serving sizes are the same or when amounts are adjusted to match.
How does nutrient density compare foods?
A Nutrients relative to calories
B Price relative to weight
C Water relative to protein
D Serving size relative to cost
Answer: A. Nutrients relative to calories. Nutrient density describes the nutrients a food provides in relation to its energy content.
What does a food’s energy density measure?
A Protein per serving only
B Calories per unit weight
C Water per package
D Vitamins per day
Answer: B. Calories per unit weight. Energy density is the amount of energy in a given weight of food, often expressed as calories per gram.
Why can water-rich foods have lower energy density?
A Water contains extra fat
B Water creates added sugar
C Water adds weight, little energy
D Water removes all nutrients
Answer: C. Water adds weight, little energy. Water adds weight and volume without adding calories, which can lower a food’s energy density.
Which four principles does WHO use to describe a healthy diet?
A Speed, timing, color, cost
B Protein, salt, sugar, starch
C Cooking, freezing, drying, storage
D Adequacy, balance, moderation, diversity
Answer: D. Adequacy, balance, moderation, diversity. WHO describes healthy diets through adequacy, balance, moderation, and diversity.
How can eating a variety of foods support nutrition?
A It broadens nutrient sources
B It removes every food group
C It guarantees perfect health
D It replaces all water
Answer: A. It broadens nutrient sources. A varied diet draws on different foods and can help people meet a range of nutrient needs.
Which parts are present in a whole grain kernel?
A Peel, pit, pulp
B Bran, germ, endosperm
C Root, stem, leaf
D Protein, vitamin, mineral
Answer: B. Bran, germ, endosperm. Whole grains retain the bran, germ, and endosperm in their original proportions.
During refining, which grain parts are commonly removed?
A Only the endosperm
B Only the kernel tip
C Bran and germ
D Water and starch
Answer: C. Bran and germ. Refining commonly removes the bran and germ, leaving mostly the starchy endosperm.
Which foods are examples of pulses?
A Apples, pears, peaches, plums
B Milk, yogurt, cheese, butter
C Oats, wheat, rice, corn
D Beans, lentils, chickpeas, peas
Answer: D. Beans, lentils, chickpeas, peas. Pulses include dried beans, lentils, chickpeas, and dried peas.
Which list matches the five USDA MyPlate food groups?
A Fruits, vegetables, grains, protein, dairy
B Fats, oils, sweets, salt, water
C Meat, fish, eggs, nuts, oils
D Sugar, starch, fiber, water, salt
Answer: A. Fruits, vegetables, grains, protein, dairy. MyPlate groups foods as fruits, vegetables, grains, protein foods, and dairy.
Why can daily fluid needs vary from person to person?
A Only food color matters
B Activity, climate, health, and age
C Everyone needs identical amounts
D Only meal timing matters
Answer: B. Activity, climate, health, and age. Fluid needs can vary with factors such as activity, climate, health, and life stage.
Which drink is a straightforward way to obtain fluid without added sugar?
A Sweetened soda
B Energy drink
C Plain water
D Flavored syrup
Answer: C. Plain water. Plain water provides fluid without added sugar.
High sodium intake is associated with which health effect?
A Stronger bones always
B Lower blood pressure
C Improved night vision
D Raised blood pressure
Answer: D. Raised blood pressure. WHO identifies increased blood pressure as a primary health effect associated with high sodium intake.
Which broad food group can supply potassium in a varied diet?
A Fruits and vegetables
B Candy and syrups
C Butter and shortening
D Soft drinks only
Answer: A. Fruits and vegetables. Many fruits and vegetables provide potassium; beans and other foods can contribute too.
What does food fortification mean?
A Removing all minerals
B Adding nutrients to foods
C Reducing serving sizes
D Adding only water
Answer: B. Adding nutrients to foods. Fortification is the addition of one or more nutrients to a food.
What does enrichment commonly do to a refined grain product?
A Removes all carbohydrates
B Adds only dietary fiber
C Restores selected lost nutrients
D Turns starch into protein
Answer: C. Restores selected lost nutrients. Enrichment commonly restores selected nutrients lost during processing; it does not necessarily restore every removed component.
Which term can include undernutrition, overnutrition, and nutrient imbalance?
A Hydration
B Digestion
C Fortification
D Malnutrition
Answer: D. Malnutrition. Malnutrition includes deficiencies, excesses, or imbalances in energy and nutrient intake.
What does the concept of energy balance compare?
A Energy intake and expenditure
B Protein and fiber only
C Water and minerals only
D Meal timing and color
Answer: A. Energy intake and expenditure. Energy balance compares energy consumed with energy used by the body and physical activity.
Where does most nutrient absorption take place in the digestive tract?
A Mouth
B Small intestine
C Esophagus
D Large intestine
Answer: B. Small intestine. Most nutrient absorption occurs in the small intestine.
What can gut bacteria do with some dietary fibers?
A Convert them to minerals
B Remove all calories
C Ferment them
D Turn them into vitamins only
Answer: C. Ferment them. Some fibers are fermented by gut microbes, producing compounds that can affect gut health.
What does the % Daily Value column help you estimate?
A A food’s exact freshness
B A package’s total weight
C A person’s calorie needs
D A serving’s daily contribution
Answer: D. A serving’s daily contribution. The %DV shows how much a nutrient in one serving contributes to a reference daily amount.
Which nutrient does FDA guidance highlight for getting more from foods?
A Dietary fiber
B Added sugars
C Saturated fat
D Sodium
Answer: A. Dietary fiber. FDA label guidance highlights dietary fiber, vitamin D, calcium, iron, and potassium as nutrients to get more of.
Which general approach supports a balanced eating pattern?
A Avoid every carbohydrate
B Choose varied nutrient-dense foods
C Eat one food group
D Use supplements instead
Answer: B. Choose varied nutrient-dense foods. A diverse pattern of nutrient-dense foods can support nutritional adequacy; individual needs still vary.