Nutrition Flashcards

1
Q

Estimated average requirements

A

Average daily intake level to meet requirement of HALF of health individuals in a particular age-gender group

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2
Q

EAR acronym meaning

A

Estimated average requirements

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3
Q

RDA acronym meaning

A

Recommended dietary allowances

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4
Q

Recommended dietary allowances definition

A

Average daily intake level to meet requirement of NEARLY ALL healthy individuals in a particular age-gender group

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5
Q

AI acronym meaning

A

Adequate intake

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6
Q

UL acronym meaning

A

(Tolerable) upper intake levels

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7
Q

Adequate intake definition

A

Estimates of nutrient intake by group of healthy individuals

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8
Q

(Tolerable) upper intake levels definition

A

Highest average daily intake likely to pose no adverse health effects in almost all individuals in general population

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9
Q

DRI acronym meaning

A

Dietary reference intake

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10
Q

EER acronym meaning

A

Estimated energy requirement

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11
Q

Estimated energy requirement definition

A

Average dietary energy intake predicted to maintain energy balance in healthy adults of particular demographic groups

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12
Q

What affects estimated energy requirement?

A

Genetics, metabolism, physical activity, behavior

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13
Q

What do food labels estimate estimated energy requirement to be?

A

2000 kcal/day

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14
Q

AMDR acronym meaning

A

Acceptable macronutrient distribution range

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15
Q

Acceptable macronutrient distribution range definition

A

Range of intake associated with reduced risk of chronic disease while providing adequate essential nutrients

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16
Q

Glycemic index

A

Measure of the effect of carbohydrates on blood sugar levels

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17
Q

High glycemic index

A

Carbohydrates that break down quickly, releasing glucose into the bloodstream quickly

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18
Q

Low glycemic index

A

Carbs break down slowly, releasing glucose into bloodstream slowly

19
Q

Do foods with low or high glycemic index have health benefits?

20
Q

Lower glycemic index characteristics

A

Slower digestion/absorption, lower insulin demand

21
Q

PDCAAS acronym meaning

A

Protein digestibility-corrected amino acid scoring

22
Q

Protein digestibility-corrected amino acid scoring definition

A

Measure of ability to provide the essential amino acids required from tissue maintenance

23
Q

What are the other ways that people refer to upper body obesity?

A

Android/“apple-shape”

24
Q

Upper body obesity

A

Excess fat located in central abdominal area

25
Health risks associated with upper body obesity
Higher risk of hypertension, insulin resistance, diabetes, dyslipidemia, coronary heart disease
26
What are the other ways that people refer to lower body obesity?
Gynoid/“pear-shaped”
27
Lower body obesity
Excess fat located in lower extremities around hips/gluteal area
28
What are the health effects of lower body obesity?
Benign healthwise + more common in females
29
Upper body obesity characteristics
Larger fat cells + more responsive to hormones
30
Lower body obesity characteristics
More difficult to lose
31
What are the other names for syndrome X?
Metabolic syndrome or insulin resistance syndrome
32
Syndrome X
Associated with abdominal obesity + molecular signals from adipocytes
33
What happens with syndrome X?
Increased risk of diabetes + cardiovascular disease
34
What causes syndrome X?
Glucose intolerance, insulin resistance, hyperinsulinemia, dyslipidemia, + hypertension
35
Chief cells
Produce pepsinogen + pepsin
36
Parietal cells
Produce HCl + intrinsic factor
37
Stomach metabolism
Pepsin digests proteins. Intrinsic factor aids in B12 absorption
38
Where are chief cells and parietal cells found?
Stomach
39
Beta cells
Produce insulin
40
Alpha cells
Produce glucagon
41
Pancreas metabolism
Produce bicarbonate to neutralize stomach acid + produce digestive enzymes
42
Gallbladder metabolism
Releases bile salts + bilirubin (BIL)
43
Intestinal epithelial cells
Digestive enzymes bound to brush borders, absorption through epithelial