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Worksheets

NT Quiz 1 &2

Total questions: 50

Worksheet time: 26mins

Name
Class
Date
1.

A fatty acid is a chain of carbon atoms attached to hydrogen atoms with an acid grouping on one end. Which chemical structure is illustrated as:

Glycerol + two fatty acids = ?

a)

Diglycerides

b)

Triglycerides

c)

Compound lipids

d)

Monoglycerides

2.

What type of fatty acid has carbons connected by two or more double bonds?

a)

Trans fatty acids

b)

Monounsaturated fatty acids

c)

Saturated fatty acids

d)

Polyunsaturated fatty acids

3.

Overconsumption of protein may result in obesity, fluid imbalances, and/or increased risk of CHD and stroke.

a)

True

b)

False

4.

Glucose can be used by the body in which of the following ways? CHOOSE ALL THAT APPLY.

a)

Principle product produced by the breakdown of disaccharides and polysaccharides

b)

Transported through the body via the bloodstream for nourishing all cells

c)

Provide energy to cells

d)

All the Above

5.

Microflora living in the large intestine have several important roles. What are these roles?

Break down substances human enzymes are unable to digest Synthesize vitamins required by humans Boost the immune system, providing protection against infection Inhibition of pathogenic bacteria

a)

I, II, III, IV

b)

I, II

c)

II, III

d)

II, III, IV

6.

According to the MyPlate guidelines, approximately what percentage of the plate should hold protein?

a)

One half

b)

One quarter

c)

One third

d)

One eighth

7.

As the frequency of fermentable carbohydrate intake increases, which event occurs?

a)

Salivary buffering capacity remains active if the carbohydrate is a natural sugar, such as honey or molasses.

b)

The pH decreases.

c)

The pH increases.

d)

Salivary protective buffering capacity increases.

8.

The progressive loss of muscle mass and strength typically associated with the process of aging is called:

a)

Kwashiorkor

b)

Sarcopenia

c)

Osteoporosis

d)

Marasmus

9.

Which of the following foods demonstrate anticariogenic properties?

I. Instant oatmeal

II. Cheese

III. Cocoa

IV. Licorice

a)

II, III, IV

b)

I, II, III, IV

c)

I, II

d)

I, IV

10.

The currently preferred method of defining healthy weight in the US is_______?

a)

Height/weight ratios

b)

Body Mass Index (BMI)

c)

Height/weight tables

11.

Which of the following are important considerations in relation to the host forming dental caries?

I. Genetics

II. Race or ethnic group

III. Food selection

IV. Dietary patterns

V. Income

a)

I, II, III, IV, V

b)

I, II

c)

II, III, IV

d)

II, III

12.

Which monosaccharide is typically found in honey and many fruits?

a)

Erythritol

b)

Fructose

c)

Galactose

d)

Glucose

13.

Which nutrients have a significant effect on the development of prenatal salivary gland development? SELECT ALL THAT APPLY.

a)

Vitamin A

b)

Iron

c)

Protein

d)

B vitamins

14.

According to the myplate.gov recommendations, the dairy group includes butter and cream.

a)

True

b)

False

15.

Physiologically, dietary fat provides which of the following?

Energy requirements

Satiety value

Palatability

Fat storage

a)

II, IV

b)

II, III

c)

I, III, IV

d)

I, II, III, IV

16.

Taste buds are essential for maintaining food intake for meeting physiological needs. The four basic taste sensations interpreted include:

Sweet

Salty

Sour

Bitter

Tangy

Spicy

a)

I, IV, V, VI

b)

III, III, IV, V

c)

I, II, V, IV

d)

I, II, III, IV

17.

What are characteristics of foods having noncariogenic or cariostatic properties?

I. Decrease demineralization

II. Increase salivary flow

III. Enhance remineralization

IV. Buffering salivary effects

a)

II, III

b)

II, IV

c)

I, II

d)

I, II, III, IV

e)

II, III, IV

18.

Macronutrients include each of the following except one. Which one is the exception?

a)

Protein

b)

Carbohydrate

c)

Vitamins

d)

Fat

e)

Polyunsaturated fat

19.

The medical term used referring to persistent, abnormal distortion of taste is called:

a)

Dysgeusia

b)

Hypergeusia

c)

Hypogeusia

d)

Anosmia

20.

Which set of guidelines is intended to assess nutrient adequacy or planning intakes of population groups, not individuals?

a)

Estimate average requirement (EAR)

b)

Recommended dietary allowance (RDA)

c)

Tolerable upper intake level (UL)

21.

Dietary fats furnish the body with _____ of energy?

a)

4 kcal/g

b)

3 kcal/g

c)

9 kcal/g

d)

7 kcal/g

22.

Nutrients may not be absorbed as a result of alterations in digestion and absorption if the alimentary tract is not functioning properly. This can result in what outcomes for patients? CHOOSE ALL THAT APPLY.

a)

Fecal impaction

b)

Nutritional deficiencies

c)

Poor healing

d)

All the Above

23.

How does saliva provide protection against caries formation?

I. Buffers by neutralizing acids

II. Concentrates and acidifies pH of mouth

III. Decreases potential for remineralization of tooth structure

IV. Immunoglobulin A in saliva has an antimicrobial effect

V. Adequate salivary flow enables rapid oral clearance of foods

a)

I, IV, V

b)

II, III

c)

I, II, III, IV

d)

II, III, IV

24.

Acceptable macronutrient distribution ranges (AMDRs) for fat is estimated at _____ of energy intake for adults?

a)

10% to 20%

b)

20% to 35%

c)

35% to 40%

d)

5% to 10%

25.

The nutrient-based reference value that is defined as dietary energy intake predicted to maintain energy balance in healthy individuals of a defined age, gender, and weight is the:

a)

Estimated Average Requirement (EAR)

b)

Acceptable Macronutrient Distribution Range (AMDR)

c)

Body Mass Index (BMI)

d)

Estimated Energy Requirement (EER)

26.

Each of the following has the potential to initiate demineralization except one. Which one is the exception?

a)

Casein

b)

Plaque biofilm

c)

Streptococcus mutans

d)

Lactobacillus

27.

Protein and fat are considered cariogenic.

a)

True

b)

False

28.

Where does the majority of chemical digestion and absorption take place?

a)

Large intestine

b)

Stomach

c)

Mouth

d)

Small Intestine

29.

What recommendations should a dental hygienist consider making to patients about preventing caries formation?

I. Drink unlimited amounts of fruit juices

II. Discuss role of diet in caries formation and progression

III. Consider application of sealants

IV. Eat dried fruits

a)

I, II

b)

I, II, III, IV

c)

III, IV

d)

II, III

30.

Which nutrient is the most important?

a)

Minerals

b)

Protein

c)

Fat

d)

Water

31.

The primary bacteria involved in the initiation of dental caries is:

a)

Listeria

b)

Botulinum

c)

Salmonella

d)

Streptococcus mutans

32.

Proteins are an essential part of the diet and perform important physiological roles, including:

I. Tissue generation and repair

II. Collagen production

III. Fluid regulation

IV. Disease resistance

a)

I, II, III, IV

b)

II, III, IV

c)

I, II, III

d)

II, III

33.

Dietary guidelines recommend lowering caloric requirements for older adults because metabolic rate increases with age.

a)

Both the statement and the reason are correct and related.

b)

Both the statement and the reason are correct but are not related.

c)

The statement is correct, but the reason is not correct.

d)

Neither the statement nor the reason are correct.

34.

Complex carbohydrates contain more than 10 monosaccharides. Complex carbohydrates are also called disaccharides.

a)

The first statement is false; the second is true.

b)

Both statements are true.

c)

The first statement is true; the second is false.

d)

Both statements are false

35.

What is the role of plaque biofilm in caries formation? CHOOSE ALL THAT APPLY.

a)

Decreases oral pH

b)

Produces acids with harmful properties

c)

Associated with demineralization

36.

Increase in consumption of which of the following has the greatest effect on an increase in body weight?

a)

Protein intake

b)

Carbohydrate intake

c)

Fat intake

d)

Total kilocalories

37.

Firm, fibrous food, such as raw fruits and vegetables, stimulates salivary flow.

a)

True

b)

False

38.

Which factors are involved in the development of dental caries? CHOOSE ALL THAT APPLY.

a)

Presence of fermentable carbohydrates

b)

Insufficient salivary flow

c)

Susceptible host

d)

Microorganisms in the mouth

39.

Which polysaccharide is typically found in cereal grains, roots, vegetables, and legumes?

a)

Dietary fiber

b)

Starch

c)

Glucose polymers

d)

Glycogen

40.

The disaccharide lactose is broken down into which 2 monosaccharides?

a)

fructose, galactose

b)

glucose, fructose

c)

glucose, glucose

d)

galactose, glucose

41.

Which of the following are cariogenic in nature?

I. Fermentable carbohydrates

II. Processed starches

III. Sugar alcohols

IV. Protein and fats

a)

II, III

b)

II, III, IV

c)

I, II

d)

I, II, III, IV

e)

I, IV

42.

The following are conditions associated with protein-energy malnutrition (PEM). CHOOSE ALL THAT APPLY.

a)

Kwashiorkor

b)

Marasmus

c)

noma

d)

NUG

e)

All the Above

43.

Which of the following factors related to food form and ingestion has the least effect on cariogenicity?

a)

Quantity of fermentable carbohydrate

b)

Timing and sequence of carbohydrate within a meal

c)

Retentiveness

d)

Physical form

e)

Frequency of intake of fermentable carbohydrate

44.

Each of the following is true regarding oral exposure to fermentable carbohydrates except one. Which one is the exception?

a)

Longer exposure increases opportunity for remineralization.

b)

The critical pH at which enamel decalcification occurs is 5.5 or less.

c)

Longer exposure leads increases risk of demineralization.

d)

The Stephan curve shows pH changes within plaque after rinsing with a sugar solution.

45.

Food labels cannot include either an explicit or implied nutrient content claim unless it uses specific terms defined by the FDA.

a)

True

b)

False

46.

Some sources of high-quality proteins include:

I. Meat

II, Fish

III. Vegetables

IV. Legumes

V. Milk

a)

I, II, III

b)

I, II, IV

c)

I, II, V

d)

II, III, IV

47.

Insufficient intake of protein affects which oral tissues? SELECT ALL THAT APPLY.

a)

Salivary glands

b)

Periodontium

c)

Teeth

d)

All the Above

48.

Approximately what percentage of fluid is absorbed through the small intestine through osmosis?

a)

80% to 90%

b)

20% to 30%

c)

30% to 40%

d)

60% to 70%

49.

Which of the following is/are roles of dietary fiber? CHOOSE ALL THAT APPLY.

a)

Laxation effect

b)

Attenuation of blood glucose response

c)

Normalization of blood lipid concentrations

d)

All the Above

50.

The amount of fermentable carbohydrate is unrelated to caries forming potential.

a)

True

b)

False