True or false: Dietary fiber is a carbohydrate, even though the body does not digest it like starch and sugar.
2 Macronutrients Online Quiz Questions
Use this free practice quiz with 20 questions to review 2 Macronutrients, test your knowledge, and prepare for your next test or exam.
Which statement best describes complex carbohydrates?
- A
They consist only of fatty acids.
- B
They include starches made of chains of sugar units.
- C
They are nutrients that supply no calories.
- D
They are proteins made of amino acids.
Select all the foods that the material identifies as sources of protein.
- A
Eggs
- B
Beans
- C
Olive oil
- D
Soy foods
- E
Sugary drinks
True or false: The adult AMDRs are broad planning ranges, not required percentages for every individual meal.
- A
True
- B
False
Someone wants to replace butter in cooking with a fat source generally higher in unsaturated fat. Which option best fits?
- A
Plant oil
- B
Butter
- C
Fatty meat
- D
A sugary drink
Select all the processes for which water is needed in the body.
- A
Chemical reactions
- B
Transport of nutrients and waste
- C
Temperature regulation
- D
Maintaining blood volume
- E
Supplying calories as an energy nutrient
Complete the comparison: Soluble fiber holds water and can form a during digestion, while insoluble fiber adds to stool.
Complete the description: Most food fat is a , a molecule of glycerol attached to fatty acids.
A person asks why the body needs some dietary fat beyond its energy-storage role. Which answer describes one function of fat?
- A
It is the body's only source of water.
- B
It provides amino acids for tissue repair.
- C
It supports absorption of vitamins A, D, E, and K.
- D
It is fully digested in the same way as dietary fiber.
For a healthy adult weighing 70 kg, use the protein RDA of 0.8 g/kg/day to calculate the reference amount. Enter the value in grams per day.
Using the adult fiber reference of 14 grams per 1,000 kilocalories, calculate the reference amount for a 2,500-kilocalorie diet. Enter the value in grams.
A snack contains 20 grams of carbohydrate, 5 grams of protein, and 4 grams of fat. Using the approximate energy values in the material, how many kilocalories do these macronutrients provide?
- A
124 kcal
- B
136 kcal
- C
156 kcal
- D
180 kcal
Someone frequently drinks sugary beverages and eats few plant foods. Recommend two practical dietary changes based on the material, and explain how they could support a nutrient-dense eating pattern. If you recommend increasing fiber, include one way to support digestive comfort.
A cook wants to replace some saturated fat in a dish with an unsaturated fat. Which change best fits that goal?
- A
Replace the butter with plant oil, which provides unsaturated fat and can reduce saturated fat in the meal.
- B
Replace the butter with plant oil because plant oils provide no dietary fat.
- C
Keep the butter because plant oils are the main source of industrial trans fats.
- D
Replace the butter with plant oil because all plant oils are high in saturated fat.
Which statement best describes what can happen to starch after it is eaten?
- A
Starch is already glucose and does not need to be broken down.
- B
The body breaks down many carbohydrates into glucose, an important fuel for cells.
- C
The body turns all carbohydrates directly into amino acids.
- D
The body cannot use glucose from carbohydrate digestion as fuel.
Why must a person obtain essential amino acids from food?
- A
They are the only amino acids used to make hormones.
- B
They are amino acids that the body stores permanently.
- C
The body cannot make enough of them, so they must come from food.
- D
They are amino acids found only in animal foods.
Someone wants to add a food whose soluble fiber can hold water and form a gel during digestion. Which choice best fits?
- A
Oats provide soluble fiber, which holds water and can form a gel during digestion.
- B
Oats provide insoluble fiber, which forms a gel by holding water.
- C
Oats contain fiber that is fully digested like starch and sugar.
- D
Oats provide fiber that works only by supplying calories.
Based on their approximate energy values, 20 grams of protein and 20 grams of carbohydrate contribute about the same number of kilocalories.
- A
True
- B
False
Most food fat consists of a molecule of glycerol attached to three fatty acids. What is the name of this molecule?
Using the healthy-adult protein Recommended Dietary Allowance of 0.8 grams per kilogram of body weight per day, what reference amount applies to a 60-kilogram adult? Treat this as a reference calculation, not an individualized prescription.