NUTR 2351 Exam #1 || All Answers Are Correct 100%.
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NUTR 2351
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NUTR 2351
What is nutrition science? correct answers comprises the body of scientific knowledge that governs food requirements for maintenance, growth, activity, reproduction and lactation.
What factors affect peoples' food choices? correct answers -availability
-cost/socioeconomic status
-culture
-adv...
NUTR 2351 Exam #1 || All Answers Are Correct 100%.
What is nutrition science? correct answers comprises the body of scientific knowledge that
governs food requirements for maintenance, growth, activity, reproduction and lactation.
What factors affect peoples' food choices? correct answers -availability
-cost/socioeconomic status
-culture
-advertising
-dieting
-allergies
-geography
-how you were raised/taste
-convenience/time
-knowledge
-religious beliefs
-holidays/time of year/traditions
What are nutrients (and non-nutrients) and how they are classified? correct answers Nutrients are
compounds in food that serve as building blocks for body compounds & sustain body processes
-water
-carbohydrates
-proteins
-minerals
-vitamins
-lipids
Classified: essential (must be consumed from food), nonessential (can be made by body),
conditionally essential (nonessential can become essential), macronutrients (needed in large
quantities; ex. carbohydrates & water), & micronutrients (needed in small quantities; ex.
minerals & vitamins)
Non-nutrients are also found in food
-non-digestible fiber
-chemicals
-alcohol
-antioxidants: phytochemical (plants foods) & zoochemical (animal foods)
How is the energy content in foods calculated (including how much energy comes from each of
the macronutrients and what percentage of total energy comes from each of the macronutrients)
correct answers Energy is the capacity to do work = stored in ATP, released when bonds are
broken
Kilocalorie (kcal) or Calorie: amount of energy needed to raise temperature of 1kg of water by 1
degree Celcius
Carbohydrates: 45-65% of total energy
4kcal/gram
, Fat: 20-35% of total energy
9kcal/gram
Protein: 10-35% of total energy
4kcal/gram
Alcohol (non-nutrient): 7kcal/gram
What are the methods of dietary assessment and what are the characteristics (including strengths
and limitations) of each? correct answers Food Frequency Questionnaire (FFQs): identifies
patterns of intake over time
Food Record: Diary of foods/beverages eaten, how much, and when eaten over a period of time
24-hour Recall: quick assessment, asks client to recall all food/drinks eaten int he previous day
What are characteristics of credible nutrition research? correct answers -Research is published in
peer-reviewed journal
-Nutrition recommendations are based on a consensus of multiple research findings
-Be cautious about interpretation of results form only one report
-Research results can be replicated (repeatability)
What is the scientific method and major categories/types of research? correct answers Process
used to gather & test information for new knowledge discovery
Pre-Clinical/laboratory: within a lab setting, use molecules, cells and animals
Clinical: with humans
Observational: determines associations not causation, nothing is being altered, just observing,
prospective or retrospective
Experimental/Interventional: experimental & control groups, something is changed/altered to be
tested, double blind, randomized, placebo
What is quackery and what are the red flags that consumers of nutrition information should be
aware of? correct answers Fraud, deception
Often plays on existent fears or introduces new fear(s)
Sell products and services to mitigate the fear
Red flags: quick fix, one product does it all, etc.
What are characteristics of reliable nutrition information for consumers and what should
consumers look for when determining the legitimacy of information on a website? correct
answers Consider...
1. Who runs the website?
2. who pays for the website?
3. What is the purpose of the website?
4. Where does the information come from?
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