Exam 1 Flashcards
Calories per gram carbohydrates
4kcal
Calories per gram fats and oils
9 kcal
What is considered most energy or calorie dense?
Fats and oils
Calories per gram protein
4 kcal
Macronutrients
Nutrients required in large amounts
Carbs, fats, proteins and water examples of
Macronutrients
Where do calories come from?
Kilocalories from food
Micronutrients
nutrients required in small amounts
Vitamins and minerals are
micronutrients
What foods contain carbs
Grains, vegetables, fruits, dairy and legumes
EAR
Estimated Average Requirement; Average daily intake level of a nutrient that will meet the need of 50% of the people in a particular age or gender category
RDA
Recommended Dietary allowance; The average daily intake level required to meet the needs of 97-98% of people in a particular age and gender category
UL
Tolerable Upper Intake Level; Highest average daily intake levels that is not likely to have adverse affects on the health of most people. *Consumption of a nutrient above this is not safe
AMDR
Acceptable Macronutrient Distribution Ranges; Describes the portion of the energy intake that should come from each macronutrient
Adequacy
provides enough energy, nutrients, fiber, vitamins, and minerals to support a persons health
Moderation
Eating the right portion sizes to maintain a healthy weight
Balance
Contains the right combination of foods to provide the proper balance of nutrients
Variety
Eating many different types of foods each day
What does a registered dietician do?
Educated to promote health, and to prevent and treat diseases through diet. Overseen by the Academy of Nutrition and Dietetics
What are the my plate food groups
Grains, Vegetables, Fruits, (Milk, yogurt, cheese), (Meat, poultry, fish, eggs, nuts, beans), Oils and discretionary calories
What are discretionary calories
Limit 260 calories sweets or extras from the other food groups
Whats required on a food label?
- Statement of identity
- Net contents of the package
- Ingredients list
- Manufacture’s name and address
- Nutrition information
The ingredient list is in order of what
weight of ingredient
Percent Daily Values
Describes how much a serving of food contributes to your total intake of a nutrient. Based on a diet of 2,000 calories,
What diet treats hypertension
Dash diet = more fruits and veggies it reduces blood pressure
Hunger
Physiological sensation that prompts us to eat
Digestion
The process of breaking large food molecules down to smaller food molecules (includes mechanical and chemical digestion)
Absorption
The process of taking molecules across a cell membrane and into the cells of the body
Where are most nutrients absorbed?
small intestine
How are hunger and satiation regulated
physiological sensation
What are the behavioral stages of change
Pre contemplation, Contemplation, Preparation, Action, Maintenance, Termintation
Precontemplation
Unaware you have a problem or resisting change
Contemplation
Aware you have a problem and seriously thinking about changing but struggle with the pros and cons
Preparation
Committed to making a change but looking at suitable action
Action
Actively making lifestyle changes
Maintenance
Patiently persist with new lifestyle behaviors through difficult situations
Termination
committed to new lifestyle regardless of situation
Mechanical Digestion
The physical breakdown of food
Chemical Digestion
enzymatic reactions that break down large food molecules
Where does digestion begin?
in the mouth
What is chewing?
mechanical digestion that breaks food into smaller pieces
Salivary amylase
enzyme produced by the salivary glands that begins the chemical digestion of carbohydrates
Epiglottis
covers the opening of the trachea during swallowing but is open while we chew to allow us to breath
Esophagus
Food travels from the mouth to the stomach through this