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NSC 170 EXAM 1 QUESTIONS AND ANSWERS 2024 [ 25
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NSC 170 EXAM 1 QUESTIONS AND ANSWERS 2024 [ 25

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  • October 28, 2024
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  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • nsc 170 exam 1 questions and answers 2024 25

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NSC 170 EXAM 1 QUESTIONS AND
ANSWERS 2024 [ 25
What are the six classes of nutrients? ANS -carbohydrates, fats, proteins, vitamins, minerals, water



Discuss the impact of food choices on a person's health ANS -choices to use tobacco and/or alcohol,
nutritional choices (poor diet), sleep, and stress can be very influential and lead to chronic diseases



What is nutrigenomics? ANS -The scientific study of the interaction of nutrition and genes, especially
with regard to the prevention or treatment of disease



Epigenetics ANS -the study of environmental influences on gene expression that occur without a DNA
change



what does it mean if a nutrient is organic? ANS -it is carbon based



Which nutrients are organic? ANS -carbs, fats, proteins, vitamins



which nutrients are not organic? ANS -water and minerals



Why do we eat food? ANS -our cells need a source of energy to build tissue and to keep us going



What are macronutrients? ANS -nutrients that contain calories (carbs, fat, proteins). these are the "gas",
they supply you with energy



what are micronutrients? ANS -nutrients that do not have calories (vitamins and minerals). these are the
"oil"



what is the most necessary for life? ANS -water

, How many calories are in a gram of fat? ANS -9 calories per gram



How many calories per gram of protein? ANS -4 calories per gram



how many calories per gram of carbs? ANS -4 calories per gram



How many calories per gram of alcohol? ANS -7 calories per gram



why do we need nutrients for our cells? ANS -every cell is living and needs access to oxygen and
nutrients in order to function



energy balance ANS -Combining the right balance of energy and nutrients are key for maximizing your
genetic potential (physical and emotional)



Which of the following Energy Suppliers is not a nutrient?

Fats (lipids)

Carbohydrates

Protein

Alcohol ANS -alcohol



What is the scientific method? ANS -A logical, systematic approach to the solution of a scientific problem



What are the steps of the scientific method? ANS -Observation, Research, Hypothesis, Experiment,
Analysis, Conclusion



what are the two types of observational studies? ANS -case study and epidemiological study



what are the two types of experimental studies? ANS -intervention study and laboratory study

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