Week 06 - Dietary Analysis

Question 1

What are the advantages of 3 or 7 days dietary surveys?

Answer 1

• simple and relatively accurate for macronutrients such as carbohydrates, fats and protein
• inexpensive

Question 2

What are the disadvantages of 3 or 7 days dietary surveys?

Answer 2

• Clients must be motivated and have access to standard measuring cups, teaspoons etc.
• Requires client knowledge of portion sizes and can be demanding for respondent

Question 3

What is the most accurate food measurement method?

Answer 3

Duplicate food collections placed in a bomb calorimeter

Question 4

Advantages and disadvantages of the 24 hr recall?

Answer 4

• easy and inexpensive
• not tru reflection, tends to underestimate
• memory bias

Question 5

Food frequency questionnaire is used…?

Answer 5

• For general picture of clients patterns of food intake

- qualitative information about populations

Question 6

Diet history…?

Answer 6

• Combines 24 hours recall with a food frequency questionnaire to get a depiction of dietary habits
• Requires substantial skill from interviewer, and recommended to be a well-trained dietitian

Question 7

Estimated average requirement (EAR) only fits the needs of ___% of people

Answer 7

50% (average, low accuracy)

Question 8

Recommended dietary allowance (RDA) is determined the be accurate to measure the nutrient needs of ___% of people

Answer 8

97%

Question 9

Adequate intake (AI) is only used when….

Answer 9

there is insufficient data to use EAR/RDA

Question 10

Upper level (UL) resembles the…

Answer 10

Level of nutrient intake before it is toxic

Question 11

DRV stands for..?

Answer 11

daily reference value

Question 12

RDI stands for…?

Answer 12

recommended daily intake

Question 13

____kj = 1 cal

Answer 13

4.18 kj

Question 14

“calorie free” claim must be less than…?

Answer 14

5 cal/reference amount & per labelled serve

Question 15

“fat free” claim must be …?

Answer 15

Less than 0.5g/reference and per labelled serve

Question 16

“sugar free” claim must be….

Answer 16

• Less than 0.5g/reference amount and per labelled serve

Question 17

“few calories” must be…

Answer 17

• Less than 40 cal/reference amount

- Meals and main dishes 120 cal or less / 100g

Question 18

“low fat” must be….

Answer 18

• Less than 3g/reference amount

- Meals and main dishes 3g or less / 100g

Question 19

“fewer calories” must be….

Answer 19

At least 25% fewer calories/ reference amount than an appropriate food reference

Question 20

“reduced fat” must be…

Answer 20

At least 25% less fat/reference amount then an appropriate food reference

Question 21

“reduced sugar” must be….

Answer 21

At least 25% less sugar/reference amount then an appropriate food reference

Question 22

DRI stands for….

Answer 22

dietary reference intake

Question 23

Under the DRI, the EAR stands for

Answer 23

estimated average requirement

Question 24

Under the DRI, the RDA stands for

Answer 24

Recommended dietary allowance

Question 25

Under the DRI, the AI stands for

Answer 25

adequate intake

Question 26

Under the DRI, the UL stands for

Answer 26

upper limit

Question 27

Serving size vs. portion size

Answer 27

Portion size = amount of food you choose to eat

Serving size = measured amount of food or drink