3_3DietingStrategies Flashcards

1
Q

disadvantage of bmi

A

does not distinguish fat from lean mass or indicate fat distribution

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2
Q

what is glycemic index?

A

a measure of a food’s ability to raise blood sugar in a give ntime period

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3
Q

what are the possible values for glycemic index?

A

0-100

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4
Q

What did WHO & FAO recommend in 99?

A

industrialized peoples should eat low-GI foods for decreased CAD, DM, and obesity

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5
Q

What are hi-GI foods?

A

1) rice, 2) baked potatoes, 3) raisins

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6
Q

What are low-GI foods?

A

1) nonstarchy veggies, 2) fruits, 3) legumes

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7
Q

Where is gluten found?

A

in wheat, rye, barley, and processed foods

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8
Q

What is celiac disease?

A

autoimmune GI disease from gluten peptides causing inflammation

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9
Q

What percentage of the population does celiac disease affect?

A

6-Jan

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10
Q

What is the treatment for celiac disease?

A

avoid gluten

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11
Q

What are the symptoms of celiac disease?

A

1) diarrhea, 2) bloating, 3) cramping, 4) bowel changes, 5) weight loss, 5) fatigue, 6) malabsorption

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12
Q

How is celiac disease diagnosed?

A

1) blood test, 2) bowel biopsy, 3) postive response to gluten-free diet

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13
Q

What are the 4 phases in the Atkins diet?

A

induction (20g CHO), then stages 2-3 add back CHO in 5g increments

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14
Q

What are the negative aspects of Atkins?

A

high fat (especially saturated)

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15
Q

When did the Atkins diet begin?

A

1972

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16
Q

What are the high-protein, low-carb fad diets?

A

1) atkins, 2) south beach

17
Q

Who started the South Beach diet?

A

cardiologist arthur agatston

18
Q

What are the aspects of the south beach diet?

A

atkins diet with the following modifications: 1) control saturated fat, 2) emphasize low-GI foods

19
Q

What proportionso f the macronutrients do liquid diet shakes (VLCDs) provide?

A

70-100 g/day protein; 80 g/day CHO; 15 g/day fat + vitamins

20
Q

What are the negative aspects of liquid diets?

A

1) gall stone risk; 2) require medical monitoring & BMOD

21
Q

What is the calorie content of a VLCD per day?

A

< 800 cal/day

22
Q

Which premeasured VLCD products emphasize glycemic index?

A

nutrisystem

23
Q

What are the calorie requirements in a premeasured VLCD diet?

A

1000-15000 cal/day via meal replacements

24
Q

What is the expected weight loss in premeasured VLCDs?

A

10-12% over 12-16 weeks if bmod included

25
Q

What should patients of premeasured diets watch out for?

A

salt and additives

26
Q

What is included in the HCG diet?

A

drops of hormone under the tongue + 500-800 cal/day

27
Q

Negative aspects of the HCG diet?

A

1) can’t meet nutritional needs, 2) vitamin/mineral deficiencies

28
Q

What are hidden sources of gluten?

A

1) wheat starch, 2) chocolate milk, 3) licorice, 4) cheese spread, 5) hydrolyzed veggie protein, 6) barley malt in rice/corn cereals

29
Q

What drug excipients are gluten-free?

A

1) corn/potato starch, 2) sweeteners, 3) thickeners like cellulose, agar, alginates, xanthan gums

30
Q

What vitamins/minerals may be deficient in a gluten free diet?

A

1) fat soluble ADEK, 2) Ca, Fe; 3) B12 and folic acid

31
Q

Negative aspects of the gluten-free diet?

A

can cause low-fiber and hi-fat diet

32
Q

What does DASH stand for?

A

dietary approaches to stop HTN

33
Q

What does the DASH diet emphasize?

A

1) decrease salt, 2) decrease alcohol, 3) increase potassium

34
Q

What are the well-respected dieting strategies?

A

1) dash, 2) mediterranean, 3) weight watchers, 4) portion control

35
Q

What are the proposed benefits of emphasizing low glycemic index foods?

A

1) improve sugar, 2) improve insulin sensitivity, 3) improve lipids; 4) control appetite

36
Q

What studies looked at BMI and physical activities effects on mortality?

A

1) 1998 cooper, 2) 2004 jama, 3) 2004 nejm, 4) 2008 women’s health

37
Q

Which study comparing BMI and activity level to mortality/morbidity had results differing from the others?

A

2008 women’s health (said weight mattered more than activity level)

38
Q

What does the ADA recommend regarding the glycemic index?

A

balance! Can be deceiving, and total amount of CHO may be a stronger index of glucose response; 1) combine with CHO counting, 2) combine hi-GI with low-GI foods