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Name ten reasons for food choices.
- 1.flavors
- 2.habits
- 3.ethnic heritage/traditions
- 4.social interaction
- 5.food availability, convenience, and the economy
- 6.positive and negative associations
- 7.emotional comfort
- 8.values, such as religous beliefs,political views, etc.
- 9.body weight and image
- 10.health benefits
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what is a nutrient?
composition fo foods
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name the six classes of nutrients found in food.
water, carbohydrates, lipids, proteins, vitamins, and minerals
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what is an essential nutrient?
are those the body cannot make in sufficient quantities to meet needs, also called indispensable nutrients
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which nutrients are inorganic, and which are organic? discuss the significance of that distinction.
- vitamins are organic, essential nutrients that allow the body to obtain energy from carbohydrate, fat, and protein.
- minerals are inorganic, essential nutrients that are found in the bones, teeth, and body fluids.
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which nutrient yield energy,and how much energy do they yield per gram? how is energy measured?
- carbohydrate, fat and protein. carbohydrate yields 4kcal per gram, protein yield 4 kcal per gram, and fat yield 9 kcal per gram.
- energy is measured in calories.
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what is the science of nutrition?
conducting research; nutrition research tests hypotheses and develops theories.
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describe the types of reserach studies and methods used in acquiring nutriton information.
- 1.epidemiological studies include cross-sectional, case-control, adn cohort designs.
- 2.laboratory-based studies include animal studies and laboratory based in vitro studies.
- 3.human interventions and clinical trials
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what are the DRI?
dietary reference intake; establishing nutrient recomendations
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identify the categories of DRI and indicate how they are related.
- 1.estimated average requirement (EAR))defines the requirement of a nutrient that supports a specific function in the body for half of the healthy population.
- 2.recomended dietary allowances (RDA) use the EAR as a base adn includes sufficient daily amounts of nutrients to meet the known nutrient needs of practically healthy populations. this recommendations considers deficiencies.
- 3. adequate intakes (AI) reflect the average daily amount of a nutrient without an established RDA that appears to be sufficient.
- 4.tolerable upper intake level (UL) is a maximum daily amount of a nutrient that appears safe for most healthy people and beyond which there is an increased risk of adverse health effects.
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when people eat foods typical of their families or geographic region thier choices are influenced by:
A.habit
B.personal preference
C.ethnic heritage or tradition
D.nutrition
C.ethnic heritage or tradition (this multiple choice question has been scrambled)
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both the human body and many foods are composed mostly of:
A.fat
B.water
C.minerals
D.proteins
B.water (this multiple choice question has been scrambled)
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the inorganic nutrients are:
A.vitamins and proteins.
B.minerals and water.
C.proteins and fats.
D.vitamins and minerals.
B.minerals and water (this multiple choice question has been scrambled)
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the energy-yielding nutrients are:
A.fats, minerals, and water.
B.minerals, proteins, and vitamins.
C.carbohydrates, fats, and vitamins.
D.carbohydrates, fats, and proteins.
D.carbohydrates, fats, and proteins. (this multiple choice question has been scrambled)
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studies of populations that reveal correlations between dietary habits and disease incidence are:
A.case-control studies.
B.clinical trials.
C.laboratory studies.
D.epidemiological studies.
D.epidemiological studies (this multiple choice question has been scrambled)
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an experiment in which neither the researchers nor the subjects konw who is receiving the treatment is known as:
A.double control.
B.placebo control
C.double blind.
D.blind variable.
C.double blind. (this multiple choice question has been scrambled)
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an RDA represents the:
A.average amount of a nutrient considered adequate to meet the known nutrient needs of practicaly all healthy people.
B.highest amount of a nutrient that appears safre for most healthy people.
C.lowest amount of a nutrient that will maintain a specified criterion of adequacy.
D.average amount of a nutrient that will maintain a specific biochemical or physiological function in half the people.
A.average amount of a nutrient considered adequate to meet the kwown nutrient needs of practicaly all healthy people. (this multiple choice question has been scrambled)
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historical information, physical examinations, laboratory tests, and anthropometric measures are:
A.methods used in a nutrition assessment.
B.approaches used in disease prevention.
C.techniques used in diet planning.
D.steps used in the scientific method.
A.methods used in a nutrition assessment. (this multiple choice question has been scrambled)
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a deficiency caused by an inadequate dietary intake is a(n):
A.covert deficiency.
B.overt deficiency
C.secondary deficiency.
D.primary deficiency.
D.primary deficiency. (this multiple choice question has been scrambled)
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behaviors such as smoking, dietary habits, physical activity, and alcohol consumption that influence the development of disease are known as:
A.risk factors.
B.preventive agents.
C.chronic causes.
D.disease description.
A. risk factors. (this multiple choice question has been scrambled)
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