Nutrition Unit 1: Chapter 1
How many kilocalories are in one gram of alcohol
7
A gram of fat contains _____________ kcalories
9
Empty-calorie foods supply most of their calories from
Added sugar, alcohol, & unhealthy fats
Examples of chronic diseases
Cancer & heart disease
The top two leading causes of death in the US
Cancer & heart disease
The 6 classes of nutrients
Carbohydrates Fats (lipids) Proteins Vitamins Minerals Water
Organic nutrients include
Carbohydrates, lipids, and vitamins
The sum of all the chemical reactions that provide energy for the body to perform work
Metabolism
Examples of isoflavonoids
Soybeans & other legumes
True/False Many popular dietary supplements are not helpful and may even be harmful
True
True/False Most commonly eaten foods contain safe levels of micronutrients
True
True/False Women have less water and protein and more fat than men
True
The most natural and economical way to obtain nutrients and phytochemical is to base your diet on a _____________ of whole foods
Variety
Infants, children, pregnant women, and older adults often need nutritional supplements to
boost their nutritional intake
A ______________ is needed in very small amounts by the body to function properly
micronutrient
One factor that can influence your daily food choices is
Advertising
Populations at risk for malnutrition include those with
Drug or alcohol addictions, eating disorders, & low income
What lifestyle choices can increase your chances of living a long life?
Eating healthy and exercising
Benefit of caffeine
Stimulant effects
________________ is considered the most essential nutrient
Water
Essential nutrients for humans
Water, vitamins, glucose, minerals, proteins, fats
Risk factors that contribute to health problems
Family history, age, environmental conditions, & lifestyle practices
Examples of beta-carotene, alpha-carotene, lutein, lycopene
Orange, red, and yellow fruits, & vegetables
Carbohydrates, fats, and proteins are called macronutrients because
Our body needs them in large amounts on a daily basis
A substance found in many plants that is not considered a nutrient but has many healthful benefits
Phytochemicals
When we want to make changes to the way we usually eat, we will change our ____________.
Diet
Processing treatments that can make foods after and more convenient to eat include
Peeling & heating
Our body needs ______, found in foods, to function properly
Nutrients
Examples of caffeine
Tea, coffee, & cocoa
True/False Most foods contain predominantly one nutrient
False
Function of carbohydrates
Major role is to provide energy
Both carbohydrates and proteins supply the body with ___________ calories per gram
4
What occurs when a nutrient is missing from the diet?
A deficiency disease will occur
In general, because they are concentrated sources of energy, high fat foods are __________ __________
Energy dense
The energy value of a food in relation to its weight is called
Energy density
A nutrient that cannot be made by the body and must be supplied by food
Essential
A nutrient that must be supplied by food and cannot be made in sufficient quantities by the body is called a(n) _____________ nutrient
Essential
True/False Humans have an instinctual drive that leads us to make healthy food choices
False
A person's way of living is called their
Lifestyle
Both over nutrition and undernutrition are considered examples of _____________
Malnutrition
Leading cause of preventable deaths in US
Smoking
The nutrient that comprises the largest percentage of the body of a healthy man or woman
Water
Nutrients that have carbon in their chemical structures are called _____________ _____________
organic nutrients
A disease that can be cured by eating a specific nutrient is
A nutrient deficiency disease
Examples of non nutrients
Alcohol, caffeine, phytochemicals
Benefit of quercetin
Antioxidant effects, may inhibit cancer growth
_____________ protects cells and their components from being damaged or destroyed by exposure to certain environmental and internal factors
Antioxidants
Function of protein
Cellular development, growth, and maintenance
_____________ describes a food that is manufactured to boost nutrient intakes
Functional foods
Benefit of saponins
May kill certain microbes
Some factors that are likely to influence food choices
Mood, peers, & religious beliefs
Function of lipids
Necessary for the absorption o fat-soluble vitamins
Term used to describe a food or beverage that has a large amount of vitamins and minerals in relation to it's energy value
Nutrient-dense
Our bodies are designed to obtain nutrients from food rather than supplements because
Nutrients in food are more available
___________ is the study of how the body uses nutrients
Nutrition
Examples of resveratrol
Red wine, purple grapes, & grape juice
Benefit of alpha-carotene, beta-carotene, lutein, lycopene
Reduce risk of certain cancers & macular degeneration
Function of Vitamins
Regulation of body processes, including cell metabolism
Function of Minerals
Regulation of fluid balance
A cell is the name of the _____________ living functional unit in an organism
Smallest
Examples of life-threatening and chronic diseases that result from a poor diet?
Stroke, heart disease, diabetes
The most likely time for a nutrient toxicity to become a concern would be when one is
Taking a supplement
Function of water
Temperature regulation