Exam 1 Flashcards

1
Q

what are nutrients?

A

nutrients are essential and there is a negative consequence associated with absence

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2
Q

What are non nutrients?

A

May have biological activity in the body, but nothing bad will happen if you don’t consume it

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3
Q

What are phytochemicals?

A

biologically active, naturally occurring chemical compounds in plant foods, act as natural defense for the plant

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4
Q

what are calories?

A

the amount of energy required to raise 1 cc of water 1 degree Celsius

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5
Q

What nutrients provide energy?

A

carbohydrates, fats, protein

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6
Q

what is the caloric density of carbs?

A

4 calories per gram

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7
Q

what is the caloric density of protein?

A

4 calories per gram

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8
Q

what is the caloric density of fats?

A

9 calories per gram

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9
Q

What is nutrient dense?

A

high in nutrients, low in calories

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10
Q

What is energy dense?

A

lots of calories, lower in nutrients

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11
Q

Nutrient dense food has more..

A

fiber, water, vitamins, minerals, healthful fats, protein

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12
Q

Nutrient dense food has less…

A

sugar, starch, saturated fats, empty calories

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13
Q

a food guide should..

A

have adequacy, balance, moderation, and variety

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14
Q

what is on the current food guide?

A

fruits, grains, vegetables, proteins, and dairy

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15
Q

serving sizes on food labels are based on…

A

what people usually eat not the suggested size

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16
Q

Lay of information

A

are not official or not trained by someone in that area

17
Q

What is the purpose of a food guide?

A

What is the purpose of a food guide?

18
Q

peer reviewed articles

A

scientific papers that are reviewed, usually anonymously by a scientist’s colleagues, or peers

19
Q

What is the first step of the scientific method?

A

observation

20
Q

What is the second step of the scientific method?

A

research topic area

21
Q

what is the third step of the scientific method?

A

Form a hypothesis

22
Q

What is the fourth step of the scientific method?

A

experiment

23
Q

What is the fifth step of the scientific method?

A

Analyze data

24
Q

what is the last step of the scientific method?

A

report conclusion

25
Q

what research design is epidemiology?

A

study groups and trends

26
Q

Cross sectional

A

type of study that measures a variable across several age groups at the same time

27
Q

animal and cellular biology

A

Studies are conducted on animals or on cells.

28
Q

clinical research

A

human intervention

29
Q

what decreases bias?

A

Placebo, double blind, randomization

30
Q

in vivo

A

a living system or animal research

31
Q

in vitro

A

on cells or non living things in a pea tree dish, etc

32
Q

What is AMDR?

A

Acceptable Macronutrient Distribution Range