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nutrition > nutrition exam 1 > Flashcards

nutrition exam 1 Flashcards

1
Q

satiety

A

no longer a desire to eat

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2
Q

phytochemical

A

chemicals not found in plants

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3
Q

6 classes of nutrients

A

carbs
lipids
protein
vitamins
minerals
water

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4
Q

carbs (math)

A

4kcal/gram

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5
Q

protein (math)

A

4kcal/gram

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6
Q

lipids (math)

A

9kcal/gram

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7
Q

alcohol (math)

A

7kcal/gram

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8
Q

calories

A

measurement of heat energy

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9
Q

hypothesis

A

how scientist explain phenomenons

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10
Q

obesity

A

excess amount of body fat

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11
Q

major contributors to increased calories

A

oils
shortening
meat
cheese
frozed desserts

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12
Q

components of a healthy diet

A

variety
moderation
proportonality
nutrint density
energy density

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13
Q

measuring nutritional state

A

anthropoemtric
biochemical
clinical
dietary
environmental

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14
Q

malnutrition

A

lack of proper nutrition

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15
Q

DRI

A

dietary reference intake

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16
Q

AI

A

adequate intake levels

17
Q

RDA

A

recommended dietary allowences

18
Q

UL

A

tolerable upper intake level

19
Q

EER

A

estimated energy requirements

20
Q

chemical digestion

A

chemical breakdown of food
substances secreted to GI tract

21
Q

Peristalsis

A

involuntary contraction and relaxation of the muscles in the intestine

22
Q

mechanical digestion

A

physical breakdown of food
peristalisis

23
Q

mouth

A

chewing (mastication)
salivary glands

24
Q

esophagus

A

long tube
epiglottis
lower esophageal sphincter
- prevents backflow of GI content

25
Q

stomach

A

holding tank (4 cups)
gastric juices
chyme (pyloric sphincter)

26
Q

small intestine

A

majority of digestion and absorption
- biocarbonate
- paristaltic contractions
- digestive enzymes

27
Q

absorptive cells

A

rapid cell turnover
high nutrient needs

28
Q
A

nutrition (2 decks)

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