Chapter 2 Flashcards
(32 cards)
Has a DRV of 3,500 mg
Potassium
Used on food labels to represent a simple RDA value
Daily Value (DV)
A prospective method for estimating nutrient intake
7-day dietary survey
Synthetic additive with 180x the sweetness of sucrose
Aspartame
Used when a RDA value cannot be determined
Average Intake (AI)
Should be less than 1% of total energy intake
Trans fat
Highest level of safe daily intake for a given nutrient
Upper Limit (UL)
A sucrose polymer-based fat substitute
Olestra
Meets the nutrient need for 50% of people in a group
Estimated average requirement
A retrospective method for estimating nutrient intake.
24-Hour Recall
List two criteria for a nutrient to be considered essential:
A) The substance is required in the diet for growth, health, and overall survival
B) Absence or inadequate intake of the substance results in signs of a deficiency disease and ultimately death.
C) Growth failure and signs of deficiency are prevented only by the nutrient or a specific precursor of it.
D) Below the critical level of necessary intake for the given nutrient, growth response and severity of signs of deficiency are proportional to the amount consumed.
E) The substance is not synthesized in the body and is required for a critical function throughout life.
True or false? The RDA is a safe excess of nutrients above the EAR that prevents nutritional deficiencies in 97-98% of all healthy people in a given group.
True
True or false? The current DRI guidelines include 58 essential nutrients.
False
According to the established daily reference values, saturated fat consumption should equal no more than ______ of total energy intake.
10%
The UL for daily nutrient intake was developed after the increased practice of _________ foods and the popularity of _________
Fortifying, dietary supplements
According to the 2005 dietary guidelines for Americans, ______ of energy intake should come from carbohydrate and _______ of energy intake should come from protein
45-65%, 10-35%
List 5 practical guidelines for healthy eating:
A) Balance food intake with physical activity to maintain a healthy weight.
B) Eat a variety of nutrient-rich foods
C) Eat a diet rich in vegetables, fruits, and whole-grain and high-fiber foods.
D) Choose a diet moderate in total fat but low in saturated fat, trans fat, and cholesterol
E) Cut back on beverages and foods high in calories and low in nutrition.
F) Keep salt and sodium intake conservative
G) Drink alcohol in moderation
H) Practice food hygiene and safety
I) Avoid excessive intake of food additives and nutrition supplements.
True or false? Stevia is an artificial sweetener derived from an herbal plant extract.
True
Claim on label:
Free
Calories:
Less than 5 calories per serving
Total fat:
_________________
Sugars:
_________________
Total fat:
Less than 0.5 grams per reference amount
Sugars:
Less than 0.5 grams per reference amount
Claim on label:
Low
Calories:
__________
Total fat:
__________
Sugars:
Not defined; no basis for recommended intake
Calories:
40 calories or less per reference amount
Total fat:
3 grams or less per reference amount
Claim on label:
Reduced
Calories:
___________
Total fat:
25% less fat per serving than reference
Sugars:
___________
Calories:
25% Fewer calories per serving than reference
Sugars:
25% less sugar per serving than reference.
The _____________ technique of estimating nutrient intake involves direct chemical analysis of all food products consumed during a given period, making it an especially accurate method.
Duplicate food collections
Which of the following is not considered an essential nutrient?
A. Calcium
B. Tryptophan
C. Choline
D. Vitamin D
C
Which of the following includes the new standards for nutrient recommendations that can be used to plan and assess diets for healthy people?
A. UL
B. DRI
C. EAR
D. AI
B