with verified answers passed
leading causes of death attributed to nutrition - correct answer ✔✔heart disease, cancer, stroke
energy yielding nutrients - correct answer ✔✔broken down to generate energy
- carbs, lipids, proteins
macronutrients - correct answer ✔✔needed in large amounts
- carbs, lipid, proteins, water
micronutrients - correct answer ✔✔needed in small amounts
- vitamins, minerals
inorganic - correct answer ✔✔does not contain carbon
organic - correct answer ✔✔contains carbon
amount of energy provided by carbs - correct answer ✔✔4 kcals
amount of energy provided by lipids - correct answer ✔✔9 kcal
amount of energy provided by protein - correct answer ✔✔4 kcal
amount of energy provided by alcohol - correct answer ✔✔7 kcal
,examples of nutrient-dense foods - correct answer ✔✔low fat milk, fruit/nut trail mix, fresh
fruit, baked chips, oatmeal raisin cookies
epidemiological study - correct answer ✔✔observing relationships between diet, health, and
disease patterns in dif populations
balance study - correct answer ✔✔compares the total amount of a nutrient that enters the
body with the total amount that leaves the body
depletion-repletion study - correct answer ✔✔A study that feeds subjects a diet devoid of a
nutrient until signs of deficiency appear, and then adds the nutrient back to the diet to a level at
which symptoms disappear and health is restored
double blind study - correct answer ✔✔An experiment in which neither the participant nor the
researcher knows whether the participant has received the treatment or the placebo
single blind study - correct answer ✔✔study in which the subjects do not know if they are in the
experimental or the control group
variety - correct answer ✔✔selecting nutrient dense foods from each food group and within
each
balance - correct answer ✔✔one food lacking in a nutrient, balance with another food that
doesnt
moderation - correct answer ✔✔all types of food are ok
- not consuming too much energy, fat, sugar, alc
- achieves healthy weight and lowers risk of chronic disease
, Steps of the Scientific Method - correct answer ✔✔observation, hypothesis, experiment,
conclusion
theory vs hypothesis - correct answer ✔✔theory: explanation based on scientific study and
reasoning
hypothesis: proposed explanation
sources of reliable nutrition info - correct answer ✔✔Government recommendations,
universities, health professionals, nonprofit organizations based on science to provide
information to improve health
recommended dietary allowances - correct answer ✔✔intakes that meet needs of 97-98% of
healthy individs in each group
- determined using EAR value and taking into acct individ variability
- intakes lower than this can indicate deficiency
Estimated Average Requirement (EAR) - correct answer ✔✔amount of a nutrient that meets the
needs of 50% of healthy people in a life stage/gender group
Adequate Intake (AI) - correct answer ✔✔a recommended average daily nutrient intake level
based on observed or experimentally determined estimates of nutrient intake by a group of
healthy people
Upper Levels (UL) - correct answer ✔✔max daily intakes unlikely to pose a risk to almost all
individs in specific group
AMDR - correct answer ✔✔intakes ranges for energy yielding nutrients
- expressed as % of total energy intake