Chapter 1 Quiz Flashcards
(31 cards)
What are the factors that influence our food choices?
Flavor, texture, appearance, early influences: foods introduced during childhood, culture, food availability, cost, advertising, nutrition
How do hunger and appetite differ in the way they influence our desire to eat?
hunger- physical, biological drive to eat and controlled by internal body mechanisms. foods are absorbed and message sent to brain to stop intake.
appetite- psychological drive to eat, affected by many of the external food choices mechanisms; environmental and psychological factors, social customs. Triggered by seeing or smelling
What factors influence satiety?
what you eat and how much of it you eat
How do we define nutrition?
is the science that links foods to health and disease. Includes the processes by which the human organism ingests digests, absorbs, transports and excretes food substances
What are the three leading causes of death in which diet plays a part?
Heart disease, cancer and stroke; poor diet and too little physical activity
What are the six classes of nutrients?
Carbohydrates, lipids, proteins, vitamins and minerals, water
What are the three general functions of nutrients in the body?
- provide us with calories to meet energy needs
- important for growth, development and maintenance
- act to keep body functions running smoothly.
What are the energy (calorie) values for each of the energy nutrients?
Carbohydrates-4Kcal/g
Fat- 9kcal/g
Protein- 4kcal/g
alcohol- 7kcal/g
What are the six steps used in the scientific method?
- Make an Observation
- Research
- Hypothesis
- Experiment
- Record data and analyze
- Make conclusion
Surveys indicate that we could improve our diets by focusing on which type of food sources?
Foods with higher numbers of nutrients, but lower calories
The consumption of which types of foods should be reduced to attain and maintain good health?
Solid fats, cholesterol, added sugars, sodium and alcohol
What are some diet, physical activity and lifestyle recommendations for health promotion and disease prevention?
Consume enough essential nutrients, Adequate regular physical activity (30 minutes a day), minimize alcohol intake, no smoking
Our primary psychological drive to eat that is affected by many external food-choice mechanisms is called
appetite
Energy yielding nutrients include
carbohydrates, proteins and fats
the essential nutrients
can’t be made by the body and therefore must be consumed to maintain health
sugars, starches and dietary fibers are examples of
carbohydrates
which nutrient classes are most important in the regulation of body process?
Vitamins and minerals
A kcal is a
measure of heat energy
a food that contains 10 grams of fat would yield ____ kcal
90
If you consume 300 grams of carbohydrate in a day that you consume 2400 kcal, the carbohydrates will provide ____% OF YOUR TOTAL ENERGY INTACKE
50
which of the following is true about the North American diet?
about half of the carbohydrates come from simple sugars
What do variety, proportionality and moderation mean? And how do they work together to result in a healthy diet.
Variety- eating many different foods
Prop- earring more nutrient-Dense foods
Moderation- mostly to portion size
Together- eat together to get everything you need and don’t over eat
How are nutrient density and energy density different?
ND- characteristic used to determine its nutritional quality
ED- measurement that best describes the calorie. Intent of a food
What are all three major goals of the dietary guidelines for Americans?
- Balance calories with physical activity to manage weight
- Consume more of certain foods and nutrients, such as fruits, veggies, while grains, fat free and low fat dairy products and sea food
- Comunes fewer foods with sodium, saturated fats, trans fats, cholesterol, added sugars and refined grains
