Dietary Reference Values

Question 1

What are nutritional requirements?

Answer 1

The amount of each nutrient needed to stay healthy and reduce the risk of diet-related diseases.

Question 2

Do nutritional requirements vary between individuals?

Answer 2

Yes, they vary between individuals and life stages.

Question 3

Who needs more iron, women of childbearing age or men?

Answer 3

Women of childbearing age need more iron than men.

Question 4

What is the purpose of meeting nutritional requirements?

Answer 4

To stay healthy and reduce the risk of diet-related diseases.

Question 5

Fill in the blank: The amount of each nutrient needed is called the _______.

Answer 5

[nutritional requirement]

Question 6

True or False: Nutritional requirements are the same for all nutrients.

Answer 6

False

Question 7

What factors contribute to variations in nutritional requirements?

Answer 7

Factors include:
* age
* gender
* level of physical activity
* state of health

Individual requirements of each nutrient can differ significantly based on these factors.

Question 8

True or False: Everyone absorbs nutrients with the same efficiency.

Answer 8

False

Some people absorb or utilize nutrients less efficiently than others.

Question 9

Fill in the blank: Individual requirements of each nutrient are related to _______.

Answer 9

[age, gender, level of physical activity, state of health]

These factors collectively influence nutritional needs.

Question 10

What might cause someone to have higher than average nutritional requirements?

Answer 10

Less efficient absorption or utilization of nutrients

Individuals who do not absorb or utilize nutrients effectively may need more nutrients.

Question 11

What are Dietary Reference Values (DRVs)?

Answer 11

Estimated dietary requirements for specific population groups in the UK.

Based on the 1991 COMA report on food energy and nutrients.

Question 12

Who published the 1991 report on Dietary Reference Values in the UK?

Answer 12

Committee on Medical Aspects of Food and Nutrition Policy (COMA).

Question 13

What committee has superseded COMA?

Answer 13

Scientific Advisory Committee on Nutrition (SACN).

Question 14

Has SACN frequently changed the DRVs since its establishment?

Answer 14

No, in most cases SACN has not identified a need to change the DRVs.

Question 15

Fill in the blank: The Dietary Reference Values (DRVs) are based on advice from the _______.

Answer 15

Committee on Medical Aspects of Food and Nutrition Policy (COMA).

Question 16

True or False: SACN regularly updates the DRVs based on new evidence.

Answer 16

False.

Question 17

What do DRVs represent?

Answer 17

Estimates of the requirements for groups of people

DRVs are not recommendations or goals for individual people.

Question 18

List the three types of estimates included in DRVs.

Answer 18

• Estimated Average Requirements (EARs)
• Reference Nutrient Intakes (RNIs)
• Lower Reference Nutrient Intakes (LRNIs)

Each type serves a different purpose in assessing nutrient needs.

Question 19

What does EAR stand for?

Answer 19

Estimated Average Requirement

Question 20

What is the purpose of the Estimated Average Requirement (EAR)?

Answer 20

It is an estimate of the average requirement for energy or a nutrient.

Question 21

What percentage of a group will require less than the Estimated Average Requirement (EAR)?

Answer 21

Approximately 50%

Question 22

What percentage of a group will require more than the Estimated Average Requirement (EAR)?

Answer 22

Approximately 50%

Question 23

Fill in the blank: The Estimated Average Requirement (EAR) indicates that _____ of a group will require less and _____ will require more.

Answer 23

50%; 50%

Question 24

What does RNI stand for?

Answer 24

Reference Nutrient Intake

Question 25

What percentage of a group does the RNI ensure nutrient needs are met?

Answer 25

97.5%

Question 26

What types of nutrients does the RNI provide recommendations for?

Answer 26

* Protein * Vitamins * Minerals

Question 27

The RNI is used for recommendations on which nutrients?

Answer 27

* Protein * Vitamins * Minerals

Question 28

True or False: The RNI is designed to meet the needs of all individuals in a group.

Answer 28

False

Question 29

Fill in the blank: The RNI is the amount of a nutrient that is enough to ensure that the needs of nearly all the group (____%) are being met.

Answer 29

97.5

Question 30

What does LRNI stand for?

Answer 30

Lower Reference Nutrient Intake

Question 31

What is the LRNI?

Answer 31

The amount of a nutrient that is enough for only the small number of people who have low requirements (2.5%)

Question 32

What percentage of people typically need more than the LRNI?

Answer 32

97.5%

Question 33

Fill in the blank: The LRNI is sufficient for only ______ of the population.

Answer 33

2.5%

Question 34

True or False: The majority of people have nutrient requirements that are lower than the LRNI.

Answer 34

False

Question 35

What are Dietary Reference Values (DRVs)?

Answer 35

DRVs are important for ensuring adequate intakes of energy and nutrients throughout life. ## Footnote DRVs help prevent malnutrition and address health concerns linked to inadequate nutrition.

Question 36

How do DRVs assist individuals?

Answer 36

DRVs assist in preventing malnutrition. ## Footnote Malnutrition can be linked to many health concerns and illnesses.

Question 37

True or False: Malnutrition is not linked to health concerns.

Answer 37

False ## Footnote Many health concerns and illnesses may be linked to malnutrition.

Question 38

What is the purpose of RNI in dietary reference values?

Answer 38

Reference Nutrient Intake ## Footnote RNI is often used as a reference amount for population groups.

Question 39

What is the primary use of EARs for energy?

Answer 39

To reflect the present lifestyles and activity levels of the UK population.

Question 40

Fill in the blank: RNI is often used as a reference amount for _______.

Answer 40

[population groups]

Question 41

True or False: LRNI is used as a measure of nutritional adequacy.

Answer 41

False ## Footnote LRNI is used to measure nutritional inadequacy.