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DHN 212 Exam with correct answers 2024
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In general, what are foods we eat too much of in the US? Too little? correct answers Too much: red meat, candy, cheese, sugary beverages, refined grain products Too little: fruits, vegetables, fish, whole grains, low-fat dairy What are at least five factors that influence a person's food choic...

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  • August 23, 2024
  • 11
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • DHN 212 E
  • DHN 212 E

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DHN 212 Exam 1
In general, what are foods we eat too much of in the US? Too little? correct answers
Too much: red meat, candy, cheese, sugary beverages, refined grain products
Too little: fruits, vegetables, fish, whole grains, low-fat dairy

What are at least five factors that influence a person's food choices? correct answers
Convenience, cravings, budget, culture, dietary restrictions

List the top 10 leading causes of death in the US. Which are related to diet/physical
activity? correct answers 1. Heart disease*
2. Cancer*
3. Chronic lower respiratory infections
4. Accidents
5. Stroke*
6. Alzheimer's disease*
7. Diabetes*
8. Influenza and pneumonia
9. Kidney disease*
10. Suicide

List the six classes of nutrients. correct answers Carbohydrates, proteins, fats (lipids),
water, minerals, vitamins

Which nutrients provide energy? correct answers Carbohydrates, proteins, fats (lipids)

Compare the body composition of males and females correct answers Males have
higher muscle mass -> more water
Females have more body fat

What percentage of a typical adult's body weight is water? correct answers 50-60% of a
person's body weight
Females: 57%
Males: 62%

What elements are found in each of the six classes of nutrients? correct answers Water
= oxygen, hydrogen
Carbohydrates = carbon, oxygen, hydrogen
Fat = carbon, oxygen, hydrogen
Protein = carbon, oxygen, hydrogen, NITROGEN
Minerals = minerals

Which nutrients are organic? correct answers Organic = contains carbon

, Carbohydrate, protein, fat, vitamins

What is the definition of an essential nutrient? correct answers Body does not
synthesize the nutrient or make enough to meet its needs...MUST be supplied by foods
ex. Certain amino acids, linoleic and linolenic acids

Which fatty acids are essential? correct answers Linoleic and alpha-linolenic acids

What is the definition of a conditionally essential nutrient correct answers Nutrients that
are normally not essential but become essential under certain conditions

What are examples of times when nutrients may become conditionally essential?
correct answers Certain amino acids in those with kidney/liver disease

Compare macro and micronutrients, providing examples of each. correct answers
Macronutrient = body requires large amounts
- Carbohydrate
- Protein
- Fat
Micronutrient = required in trace amounts
- Vitamins
- Minerals

How many kcals are provided per gram of fat? Protein? Carbohydrate? Alcohol?
correct answers Fat = 9kcal per gram
Protein = 4kcal per gram
Carbohydrate = 4kcal per gram
Alcohol = 7kcal per gram

Be familiar with the basic principles of the six key nutrition concepts discussed,
including definitions for nutrient-density and sources of empty calories. correct answers
Nutrient dense - supplies more vitamins and minerals in relation to total kcals
Energy dense - amount of energy a food provides per given weight of food ("empty
calories")

What the components to the Dietary Reference Intakes? correct answers Set of energy
and nutrient intake standards
1. Recommended Dietary Allowance (RDA) = Represents a persons nutrient GOAL.
Meets needs of nearly all (97-98%) of healthy individuals in a life-stage/gender group
2. Adequate Intake (AI) = SAME concept as RDA, used when not enough information is
available to determine human requirements
3. Tolerable Upper Intake Level (UL) = How much is too much? Highest average
amount of a nutrient that is unlikely to harm most people when consumed on a daily
basis (made bc of supplements)
4. Estimated Average Requirement (EAR) = amount of a nutrient that should meet
needs of 50% of health population

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