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Nutrition 120 > Quiz 7 Final > Flashcards

Quiz 7 Final Flashcards

1
Q

the most reliable source of information about the effectiveness of a nutritional supplement

A

The results of a randomized double-blind intervention trial that compared the nutritional supplement to a placebo

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2
Q

What would be the least reliable source of information about herbal supplements

A

Pamphlet published by a health food store

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3
Q

And example of an anecdotal evidence

A

Individual testimony

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4
Q

A scientific study recorded the dietary intake of 60,000 men and track the health of these men for eight years the study concluded that there is an inverse association between the consumption of green tea and the occurrence of prostate cancer what is being discribed

A

This is an observation study that demonstrates green tea may reduce the risk of prostate cancer.

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5
Q

The best reason for using a placebo as a part of that experimental design

A

Because it prevents subjects from knowing whether or not they are receiving the treatment

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6
Q

What is an example of anecdotal information

A

A runner reports having more endurance after eating an energy bar

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7
Q

Healthy rich diet in a variety of vegetables and fruits may help reduce the risk of some type of cancer is an example of what kind of food label claim

A

Disease risk reduction and therapeutic claim

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8
Q

Orange juice is an excellent source of vitamin C a dietary antioxidants which statement best describes this claim

A

It is a calm by nutrient content and nutrients function claim

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9
Q

Which of the following items is not required to be presented on the label of natural health products

A

Reference to study is demonstrating effectiveness of supplement

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10
Q

What is the reason given by health Canada for its proposal to illuminate mandatory reporting a vitamin a and C a nutrient facts label

A

There is no evidence that Canadians are suffering from serious deficiency a vitamin a and C while some segments of the Canadian population may be getting enough vitamin D or potassium

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11
Q

Daily values on a nutrition facts panel are based on a diet of how many calories

A

2000

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12
Q

Which is not legally required on a nutrition fact table

A

Calories from fibre

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13
Q

What is the basis for that order in which ingredients are listed on the food label

A

Contribution to total weight

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14
Q

The nutrient levels of vitamin A were found to be too low in many of the menus what is the result of the mythology described

A

The additional statement in Canada’s food guide that Canadians in green and orange vegetables such as carrots and broccoli

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15
Q

The descriptor source of can legally be used on a food label when the product contains at least what percent of the daily value of the stated nutrient

A

5%

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16
Q

Which statement does not accurately describe the purpose for the daily value in nutrition facts label’s

A

Daily values maybe used to access the probability that a person is meeting his or her needs

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17
Q

What is the most powerful tool in promoting health and nutrition message

A

Mass media

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18
Q

A scientist is interested in the relationship between diet and breast cancer and decides to do a case control study he was able to find a group of women who had breast cancer and collects dietary intake information from them what is the next step

A

The scientist must assemble a group of healthy women the controls who are the same age and ethnicity as the woman who had breast cancer the cases

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19
Q

Which of the following statements regarding pub med is false

A

It is a password-protected site

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20
Q

How do you describe an intervention trial in which neither the subjects nor the investigator knows which subjects our receiving treatment

A

Double-blind study

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21
Q

Define placebo

A

A fake medicine or supplement that is indistinguishable in appearance from the real thing it is used to disguise the control from the experimental groups

Found an intervention trail

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22
Q

In a controlled experiment what is the group that does not receive treatment

A

Control group

23
Q

Which of the following is not a true statement about nutritional studies using animals

A

Results from animal studies can be generalized to the human population

24
Q

The study of the intro Laois and ship between health and disease and other factors in the environment or lifestyle of the different populations

A

Epidemiology we’re also known as observational studies

25
Q

Correlation is different than causation

A

Direct is positive and inverse negative

26
Q

A limitation of observational studies is

A

A confounding factor

27
Q

What is the confounding factor

A

A factor that is related to both the outcome being investigated example disease and a factor that might influence outcome dietary intake
Example is a cancer study involving age

28
Q

What are the two observational studies

A

Prospective cohort study and case control study

29
Q

What is the prospective cohort study

A

Where the dietary intake information is collected by the researchers and the health of the study participants is absurd usually for several years at the end of the study scientist determine whether there are any correlations between dietary intake and disease

30
Q

What is a case control study

A

That compares individuals with particular conditions under study with individuals of the same age 6 and background who do not have the condition

31
Q

What is a human intervention trial or clinical trial

A

A study of a population in which there is an experimental manipulation of some members of population observations a member measurements are made to determine the effects of this manipulation compared to the members who did not go under the manipulation

32
Q

What is the control group

A

A group of participants in anexperiment that is identical to the experimental group except the no experimental treatment is used it is used as a basis of comparison

33
Q

What is a treatment group

A

A group of participants in an experiment who are receiving an experimental treatment effects of the treatments are compared to the control group

34
Q

The difference between our observational study and an interventional trial is

A

Interventional trial has causation in the end

35
Q

What is the single behind study

A

And experiment in which either the study participant or the researcher unaware of which subjects are in the control or experimental group

36
Q

What is a double-blind study

A

An experiment in which neither the study participants nor the researchers know who is the control or the experimental group

37
Q

What does 2% milk fat mean

A

2 g of fat per hundred grams of milk

38
Q

What are the four types of nutrition labelling

A

One nutrition facts

  1. nutrition content claims high or low
  2. Diet reduce risk of disease
  3. nutrient function claims
39
Q

Nutrition labels must have how many corn nutrients labelled

A

13

40
Q

If something is lowfat what does it mean

A

less than 3 g of fat per serving

41
Q

It’s low in saturated fat what does it mean

A

Less than 2 g and 15% of caloriesfrom saturated fat

42
Q

Fat free means

A

Less than or equal to 0.2 g of trans and less than 2 g of saturated and trans combined

43
Q

What does light mean

A

Less than a quarter of the original calories

44
Q

Nutritional genomics

A

IThe study of her diet affects our genes

45
Q

What is the depletion repletion study

A

A study that feeds subjects a diet devoid of a nutrient until signs of deficiencies up here and then add the nutrient back in the diet to levels at which symptoms disappear and health is restored

46
Q

What is the balance study

A

I study that compares the total amount of nutrients that enter the body with your total amount that leaves the body

47
Q

The three most important government agencies in Canada they provide health and go to information are

A

Health Canada the food inspection agency and the public health agency of Canada

48
Q

The Canadian food inspection agency published a comprehensive guide on food labelling entitled what

A

Industry labelling tools that enforce the regulations described in the sky

49
Q

Percentage of salt intake versus a beneficial nutrients such as calcium intake

A

Salt should be less than 15% daily value and calcium should be more than 15% if possible daily per
food item

50
Q

What is the diet related health claim

A

Often a certain nutrient that may reduce the risk of disease

51
Q

What is the nutrient content claim

A

Low fibre high calories

Fat free

52
Q

What is the nutrient function claim

A

The rule of nutrients or dietary ingredients in maintaining normal structures or functions in humans for example calcium aids in the formation of maintenance of bone and teeth

53
Q

Natural health products must include

A

Product name product license holder natural product number product medicinal ingredients product nonmedical ingredients product dosage form and recommended use recommended purpose risk

Nutrition 120 (11 decks)

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