Podcast
Questions and Answers
Match the following nutrition assessment methods with their corresponding focus:
Match the following nutrition assessment methods with their corresponding focus:
Individuals = Historical data, dietary recall Populations = USDA Food Intake Survey
Match the following health outcomes with their relationship to diet:
Match the following health outcomes with their relationship to diet:
Heart Disease = Strong relationship with diet Stroke = Strong relationship with diet Diabetes = Strong relationship with diet Cancers = Strong relationship with diet
Match the following leading risk factors for chronic diseases with their ranking:
Match the following leading risk factors for chronic diseases with their ranking:
Poor Diet = Number 2 Alcohol = Number 4 Tobacco = Number 1 Inactivity = Number 3
Match the following credentials with their corresponding description:
Match the following credentials with their corresponding description:
Match the following nutrition information sources with their key characteristics:
Match the following nutrition information sources with their key characteristics:
Match the following terms with their corresponding definitions:
Match the following terms with their corresponding definitions:
Match the nutrient category with its energy content per gram:
Match the nutrient category with its energy content per gram:
Match the following dietary components with their primary sources:
Match the following dietary components with their primary sources:
Match the following terms related to nutrition with their definitions:
Match the following terms related to nutrition with their definitions:
Match the following nutrients with their primary functions:
Match the following nutrients with their primary functions:
Match the following terms related to energy from food with their definitions:
Match the following terms related to energy from food with their definitions:
Match the following examples of foods with their primary phytochemical content:
Match the following examples of foods with their primary phytochemical content:
Match the following nutrient categories with their examples:
Match the following nutrient categories with their examples:
Match the following food items with their respective energy densities.
Match the following food items with their respective energy densities.
Match the nutrient with its corresponding energy value per gram.
Match the nutrient with its corresponding energy value per gram.
Match the food item with its calculated total calories.
Match the food item with its calculated total calories.
Match the following concepts with their definitions:
Match the following concepts with their definitions:
Match the types of research designs with their descriptions.
Match the types of research designs with their descriptions.
Match the Dietary Reference Intake (DRI) categories with their descriptions:
Match the Dietary Reference Intake (DRI) categories with their descriptions:
Match the DRI energy recommendations with their descriptions:
Match the DRI energy recommendations with their descriptions:
Match the following terms with their definitions:
Match the following terms with their definitions:
Match the sources of empty calories with their descriptions:
Match the sources of empty calories with their descriptions:
Match the following nutrition assessment terms with their definitions:
Match the following nutrition assessment terms with their definitions:
Match the following nutrient intake recommendations with their abbreviations:
Match the following nutrient intake recommendations with their abbreviations:
Match the following terms related to dietary guidelines with their descriptions:
Match the following terms related to dietary guidelines with their descriptions:
Match the following food labels with their information:
Match the following food labels with their information:
Match the following types of dietary patterns with their descriptions:
Match the following types of dietary patterns with their descriptions:
Flashcards
NHANES
NHANES
National Health & Nutrition Examination Survey covering physical exams and nutrition data.
Leading Causes of Death Related to Diet
Leading Causes of Death Related to Diet
Four major causes: Heart Disease, Cancers, Stroke, and Diabetes.
Key Risk Factors
Key Risk Factors
Top risk factors include Tobacco, Poor Diet, Inactivity, and Alcohol.
Registered Dietitian Nutritionist (RDN)
Registered Dietitian Nutritionist (RDN)
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Evaluating Nutrition Information
Evaluating Nutrition Information
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Nutrition
Nutrition
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Diet
Diet
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Nutrients
Nutrients
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Essential Nutrient
Essential Nutrient
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Macronutrients
Macronutrients
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Micronutrients
Micronutrients
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Phytochemicals
Phytochemicals
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Energy Density
Energy Density
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High Energy Density
High Energy Density
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Low Energy Density
Low Energy Density
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Nutrient Density
Nutrient Density
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Calculating Kcalories
Calculating Kcalories
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Empty Kcalories
Empty Kcalories
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Epidemiological Studies
Epidemiological Studies
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Experimental Studies
Experimental Studies
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Estimated Average Requirement (EAR)
Estimated Average Requirement (EAR)
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Recommended Dietary Allowance (RDA)
Recommended Dietary Allowance (RDA)
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Tolerable Upper Intake Level (UL)
Tolerable Upper Intake Level (UL)
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Adequate Intake (AI)
Adequate Intake (AI)
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Chronic Disease Risk Reduction Intake (CDRR)
Chronic Disease Risk Reduction Intake (CDRR)
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Acceptable Macronutrient Distribution Ranges (AMDR)
Acceptable Macronutrient Distribution Ranges (AMDR)
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Estimated Energy Requirement (EER)
Estimated Energy Requirement (EER)
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Study Notes
Nutrition Science
- Nutrition is the science of foods, nutrients, and their effects on the body (ingestion, digestion, absorption, transport, metabolism, excretion). It can also include societal, economic, cultural, and psychological aspects.
- Diet is the foods and drinks a person consumes.
- Nutrients are chemicals from food, providing energy, structural materials, and regulating bodily functions, also potentially reducing disease risks.
- Essential nutrients are obtained from food since the body cannot produce them in sufficient quantities. There are about 40 known essential nutrients.
Six Classes of Essential Nutrients
- Essential nutrients are categorized into six classes, with some being macronutrients (needed in large amounts) and others micronutrients (needed in smaller amounts):
- Carbohydrates
- Protein
- Lipids (fats)
- Vitamins
- Minerals
- Water
Energy from Food
- Food energy is measured in kcalories (kcal) or kilojoules (kJ).
- 1 kcal is equivalent to 4.184 kJ.
- Nutrients providing energy (kcal) per gram:
- Carbohydrates: 4 kcal/gram
- Protein: 4 kcal/gram
- Fat: 9 kcal/gram
- Vitamins, minerals, and water provide no energy.
- Alcohol provides 7 kcal/gram but is not a nutrient.
Energy Density
- Energy density is a food's energy relative to its weight.
- High-fat foods have higher energy density than low-fat foods due to fat's higher energy content per gram.
- High energy-density foods give more kcal per gram/ounce/bite than low energy-density foods. These low-density choices also usually have more nutrients for the calories consumed.
Calculating Calories from Foods
- Total kcals for a food can be calculated by multiplying the grams of each macronutrient by its corresponding kcal/gram value.
Empty Calories
- Empty calories provide little to no nutrients and can negatively impact overall nutrition.
- Saturated fat, added sugars, and alcohol are examples of sources of empty calories.
- Diets high in empty calories are usually low in essential nutrients.
Conducting Nutrition Research
- Nutrition is a science-based field using various research methods including:
- Epidemiological studies (cross-sectional, case-controlled, cohort)
- Experimental studies (laboratory, animal, human intervention, in vitro)
- Research results must be replicated (verified) to be considered reliable and valid.
- Critically evaluate research results and consider the source's qualifications and motivations.
Dietary Reference Intakes (DRIs)
- DRIs provide nutrient intake guidelines for healthy individuals in the U.S. and Canada.
- DRIs contain 5 categories:
- Estimated Average Requirement (EAR): Intake levels of nutrients estimated to meet 50% of the population's needs.
- Recommended Dietary Allowance (RDA): Average daily nutrient amounts needed to meet the needs of 97.5% of the healthy population, by age and sex.
- Adequate Intake (AI): Represents the average amount of nutrients consumed by healthy people when no RDA exists.
- Tolerable Upper Intake Level (UL): Safe upper limits for nutrient intakes, to avoid toxicity.
- Chronic Disease Risk Reduction Intake (CDRR): Level of intake to reduce chronic diseases risk.
DRI Energy Recommendations
- Estimated Energy Requirement (EER): Average energy intake needed to maintain a healthy person's weight and energy balance.
- Acceptable Macronutrient Distribution Ranges (AMDR): Ranges of macronutrients expressed as a percentage of daily kcal, for good overall health.
- Carbohydrates: 45-65% of kcal
- Fat: 20-35% of kcal
- Protein: 10-35% of kcal
Nutrition Assessment
- Nutrition assessments are conducted on individuals and populations using various methods.
- Types of methods for individuals: historical information, anthropometric measures, physical exams, and laboratory tests.
- Examples of population-based methods: National Nutrition Monitoring, USDA food intake surveys, DHHS NHANES surveys.
- Diet and health have strong relationships to the leading causes of death such as heart disease, cancer, stroke, and diabetes.
Nutrition Information and Misinformation
- Critical thinking and evaluating the source's qualifications and motivations are important in evaluating nutrition information.
- Registered Dietitian Nutritionists (RDNs) are qualified food and nutrition experts with specific education and training requirements.
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