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3 Micronutrients and Water Online Quiz Questions

Use this free practice quiz with 20 questions to review 3 Micronutrients and Water, test your knowledge, and prepare for your next test or exam.

20 questions
01
Choose one
1 point

Which statement accurately distinguishes vitamins from minerals?

  1. A

    Vitamins are elements, while minerals are organic compounds.

  2. B

    Vitamins are organic compounds, while minerals are elements.

  3. C

    Both vitamins and minerals are organic compounds.

  4. D

    Both vitamins and minerals are elements.

02
Fill in the blank
1 point

B vitamins help enzymes .

03
Choose one
1 point

A person wants to include foods that can provide vitamin D. Which option lists sources identified for that vitamin?

  1. A

    Nuts and oils

  2. B

    Fruits and vegetables

  3. C

    Fortified foods and fatty fish

  4. D

    Meat, beans, and fortified grains

04
Written response
1 point

Which mineral carries oxygen in hemoglobin?

05
True or false
1 point

Vitamins and minerals provide energy to the body as calories.

  1. A

    True

  2. B

    False

06
Choose all
1 point

Which sources count toward total water intake? Select all that apply.

  1. A

    Drinking water

  2. B

    Moisture in foods

  3. C

    Thirst

  4. D

    Other beverages

07
Written response
1 point

What is the DRI Adequate Intake for total water, in L/day, for men ages 19–50?

08
Choose one
1 point

A healthy adult is comparing dietary reference values. Which description identifies the Recommended Dietary Allowance (RDA)?

  1. A

    The highest usual daily intake unlikely to pose a risk for most people

  2. B

    A food-label value that is an individualized prescription

  3. C

    A benchmark used only when evidence is insufficient to set an AI

  4. D

    An intake intended to meet the needs of nearly all healthy people in a particular age and sex group

09
Fill in the blank
1 point

Electrolytes help regulate fluid distribution, , muscle contraction, and acid–base balance.

10
True or false
1 point

Potassium is the main positively charged ion inside cells.

  1. A

    True

  2. B

    False

11
Choose all
1 point

Which factors can affect electrolyte balance or the risk of an electrolyte imbalance? Select all that apply.

  1. A

    Illness

  2. B

    Medicines

  3. C

    Kidney function

  4. D

    Whether a person prefers still or sparkling water

  5. E

    Heavy sweating

  6. F

    Vomiting

  7. G

    Diarrhea

12
Open ended
1 point

Explain how the RDA, AI, and UL differ, including when an AI is used and why the UL should not be treated as a target.

13
Choose one
1 point

A person assumes that drinking water will correct any electrolyte imbalance. Which response best reflects how electrolyte imbalance should be understood?

  1. A

    Drink water because it will correct every electrolyte imbalance.

  2. B

    Recognize that the cause matters; water or a supplement alone may not correct the imbalance.

  3. C

    Take a potassium supplement because all electrolyte imbalances involve low potassium.

  4. D

    Avoid fluids because water intake always worsens electrolyte imbalance.

14
True or false
1 point

True or false: The Tolerable Upper Intake Level (UL) is a daily intake goal that people should try to reach.

  1. A

    True

  2. B

    False

15
Choose one
1 point

A person wants to identify a vitamin that is fat-soluble and has a role in antioxidant systems. Which vitamin fits both clues?

  1. A

    Vitamin C, which contributes to collagen formation

  2. B

    The B vitamins, which help enzymes use energy from food

  3. C

    Vitamin E, which acts in antioxidant systems

  4. D

    Vitamin K, which is generally water-soluble

16
Choose one
1 point

A nutrition chart classifies minerals by the relative amounts the body needs. How should it classify calcium and iron, respectively?

  1. A

    Calcium and iron are both major minerals.

  2. B

    Calcium is a major mineral, and iron is a trace mineral.

  3. C

    Calcium is a trace mineral, and iron is a major mineral.

  4. D

    Calcium and iron are both trace minerals.

17
Choose one
1 point

An adult woman ages 19–50 sees a Dietary Reference Intake Adequate Intake value for total water. Which interpretation is correct?

  1. A

    It counts only plain water, and the value is a fixed prescription for every adult woman.

  2. B

    It counts all beverages but excludes moisture in foods.

  3. C

    It includes water from food and all beverages and is a population reference value.

  4. D

    It applies only during prolonged exercise or heat exposure.

18
Written response
1 point

Which vitamin contributes to collagen formation and helps the body absorb nonheme iron?

19
Written response
1 point

What is the DRI Adequate Intake for total water for women ages 19–50, in L/day?

20
Choose one
1 point

A clinician is considering whether inadequate intake of a mineral could contribute to iron-deficiency anemia. Which explanation correctly connects the mineral’s role to this condition?

  1. A

    Iron deficiency can lead to iron-deficiency anemia because iron is needed for oxygen transport in hemoglobin.

  2. B

    Iodine deficiency can lead to anemia because iodine carries oxygen in hemoglobin.

  3. C

    Calcium deficiency can lead to anemia because calcium transports oxygen in the blood.

  4. D

    Zinc deficiency can lead to anemia because zinc is the main oxygen-carrying mineral in hemoglobin.