How do hunger and appetite differ in the way they influence our desire to eat? - Answers Hunger
is the physiological need for food, while appetite is the psychological desire for food.
2. What is satiety? - Answers Satiety is the feeling of fullness and satisfaction after eating.
3. What's the difference between macronutrients and macronutrients? - Answers
Macronutrients vs. Micronutrients: Macronutrients (carbohydrates, lipids, proteins) provide
energy, while micronutrients (vitamins, minerals) are essential for various physiological
functions.
4. What's the difference between essential and non-essential nutrients? - Answers Essential
nutrients must be obtained from the diet, while non-essential nutrients can be synthesized by
the body.
What are the sources and functions of carbohydrates, lipids, and proteins? How many
kcal/gram do they each contain? - Answers Carbohydrates provide energy, lipids store energy,
and proteins have various functions. They contain 4, 9, and 4 kcal/gram, respectively.
Calculate the total kilocalories in a food that has 45 grams of carbohydrate, 12 grams of protein,
20 grams of fat, and 5 grams of alcohol. Then calculate the percent of total kilocalories coming
from each nutrient. - Answers Total kcal = (45g carb * 4) + (12g protein * 4) + (20g fat * 9) + (5g
alcohol * 7) = [calculated value]. The percent of total kcal from each nutrient can be found by
dividing the kcal from each nutrient by the total kcal.
What does nutrient density mean and why is it important? - Answers Nutrient density refers to
the amount of nutrients in a food relative to its calories, and it's important for choosing
nutritious foods.
What is the Danger Zone? - Answers The Danger Zone refers to the temperature range (40°F to
140°F or 4°C to 60°C) in which bacteria can multiply rapidly in perishable foods.
Define biotechnology and genetically modified organisms. - Answers Biotechnology involves
manipulating the genes of organisms to improve characteristics. Genetically Modified
Organisms (GMOs) are organisms with altered DNA.
Why are the benefits of choosing locally grown foods? - Answers Local foods can be fresher,
reduce environmental impact, and support local economies.
What are some challenges around producing sustainable seafood? - Answers Challenges
include overfishing, bycatch, and environmental impacts of aquaculture.
What are the benefits of pesticide use? - Answers Pesticides can protect crops from pests and
increase food production.
, What can you do to reduce your exposure to pesticides? - Answers Wash and peel produce,
choose organic options, and eat a variety of foods.
Compare and contrast the various food preservation methods. - Answers Methods include
canning, freezing, drying, and fermentation.
What foods are highest risk for spreading foodborne illnesses? - Answers Raw or undercooked
meat, poultry, eggs, and unpasteurized dairy products.
What is the purpose of food additives? - Answers Food additives enhance flavor, texture, and
shelf life.
Are natural additives safer than synthetic additives? - Answers Safety depends on the specific
additive, not whether it's natural or synthetic.
How does the amount, or dosage, affect our risk for toxicity? - Answers The risk for toxicity
depends on the dose, with larger doses posing a higher risk.
What is the definition of food insecure? - Answers Food insecure means lacking consistent
access to enough food for an active, healthy life.
Name two types of malnutrition. - Answers Two types are undernutrition (insufficient nutrients)
and overnutrition (excess nutrients).
What is the primary cause of undernutrition? - Answers Inadequate food intake is the primary
cause.
At which stages of the life cycle is undernutrition especially damaging? - Answers
Undernutrition is most damaging during pregnancy, infancy, and early childhood.
Name two food assistance programs in the United States. - Answers Two in the US are SNAP
(Supplemental Nutrition Assistance Program) and WIC (Women, Infants, and Children).
What factors influence the presence of poverty, hunger, and malnutrition? - Answers Factors
include income, education, employment opportunities, and social support.
What is the difference between situational and generational poverty? - Answers Situational
poverty is a temporary state of poverty due to specific life events, while generational poverty is a
long-term condition passed down through generations.
How have war and declines in natural resources contributed to malnutrition in developing
countries? - Answers War and declines in natural resources can disrupt food production,
distribution, and access, leading to malnutrition in developing countries.
What role does nutrition play in combating AIDS? - Answers Nutrition plays a critical role in
combating AIDS by supporting the immune system and overall health of individuals living with
HIV.