Questions Marking Scheme New Update
| A+ Rated
6 key concepts of nutrition - 🧠 ANSWER ✔✔Nutrition is a science, good
nutrition is a cornerstone of good health, nutrient density, we are part of
nature and depend on the health of our planet, health/climate/nature crises
are interrelated, we are the solution
Nutrient density - 🧠 ANSWER ✔✔how packed a food is with nutrients
Six classes of nutrients - 🧠 ANSWER ✔✔Protein, carbs, fats, water,
vitamins, minerals
energy yield carbs - 🧠 ANSWER ✔✔4 kcal/g
energy yield proteins - 🧠 ANSWER ✔✔4 kcal/g
energy yield fats - 🧠 ANSWER ✔✔9 kcal/g
energy yield alcohol - 🧠 ANSWER ✔✔7 kcal/g
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,whole foods - 🧠 ANSWER ✔✔unprocessed and unrefined (whole grains,
fruits)
processed foods - 🧠 ANSWER ✔✔foods that have been treated to change
their properties
enriched foods - 🧠 ANSWER ✔✔foods in which nutrients that were lost
during processing have been added back
fortified foods - 🧠 ANSWER ✔✔foods in which nutrients are added that did
not originally exist in the food (oj with calcium)
essential nutrients - 🧠 ANSWER ✔✔must be obtained from an external
source because body can't make it or make enough
energy yielding nutrients - 🧠 ANSWER ✔✔carbs, fats, proteins
organic nutrients - 🧠 ANSWER ✔✔contain carbon
inorganic nutrients - 🧠 ANSWER ✔✔do not contain carbon
Calorie - 🧠 ANSWER ✔✔energy. Amount of heat required to raise temp of
1 L of water by 1 degree C
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, steps of the scientific method - 🧠 ANSWER ✔✔observe, question,
hypothesize, test, interpret, refine
epidemiological studies - 🧠 ANSWER ✔✔focus on populations
case studies - 🧠 ANSWER ✔✔focus on an individual
intervention studies - 🧠 ANSWER ✔✔true experiments
lab studies - 🧠 ANSWER ✔✔experiments under strict conditions
Garlic - 🧠 ANSWER ✔✔contains sulfur compounds, which are responsible
for health benefits and odor. It is antimicrobial, antifungal, and
antithrombotic
diabetes epidemic - 🧠 ANSWER ✔✔The epidemics began about 30 years
ago. Reasons include increased consumption of sugar, increased cost of
fruits and vegetables, decreased cost of junk foods, increased portion
sizes, and decreased exercise.
how are DRIs established - 🧠 ANSWER ✔✔reviewing and conducting
studies. Balance studies test different intake levels to determine when
input=output
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