Dental Hygiene Solved Exam Questions
Course Introduction
Dental Hygiene is a comprehensive course designed to introduce students to the fundamental principles and practices necessary for maintaining optimal oral health. The course covers topics such as oral anatomy, dental disease prevention, infection control, nutrition, patient education, and the proper use of dental equipment and instruments. Emphasis is placed on the development of clinical skills necessary for the assessment, planning, and implementation of dental hygiene care, as well as fostering effective communication and patient management techniques. Through both theoretical knowledge and practical training, students gain the competencies required to support oral health in diverse populations and environments.
Recommended Textbook
The Dental Hygienists Guide to Nutritional Care 5th Edition by Cynthia A. Stegeman
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21 Chapters
828 Verified Questions
828 Flashcards
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Chapter 1: Overview of Healthy Eating Habits
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41 Verified Questions
41 Flashcards
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Sample Questions
Q1) Each is true regarding body weight in relation to height,except one.Which is the exception?
A) Currently, the body mass index (BMI) is the preferred method of defining body weight in relation to height.
B) BMI is determined mathematically by first dividing weight by height, dividing this number by height again, and multiplying this number by 703.
C) Chronic disease risk increases in most people with a BMI greater than 25.
D) Major ethnic differences exist regarding BMI.
E) BMI reveals significant details about overall body composition.
Answer: E
Q2) The MyPlate food guidance icon is divided into sextants,each of which is a different color to represent a different food type.MyPyramid replaced the well-known MyPlate icon in 2011.
A) Both statements are true.
B) Both statements are false.
C) The first statement is true; the second is false.
D) The first statement is false; the second is true.
Answer: B
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Chapter 2: Concepts in Biochemistry
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22 Verified Questions
22 Flashcards
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Sample Questions
Q1) The biological function that plants use to make the carbohydrate animals can use for energy and oxygen is called:
A) oxidation-reduction.
B) condensation.
C) hydrolysis.
D) photosynthesis.
Answer: D
Q2) In general,a condensation reaction creates a new molecule by:
A) breaking a larger molecule into two smaller molecules.
B) forming an ionic bond between a metal and a nonmetal ion.
C) forming a bond between two smaller molecules.
D) sharing two electrons between two nonmetals.
Answer: C
Q3) Each is a major area of biochemistry,except one.Which is the exception?
A) Structure
B) Function
C) Metabolism
D) Bioinformation
Answer: B
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Page 4
Chapter 3: The Alimentary Canal: Digestion and Absorption
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47 Verified Questions
47 Flashcards
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Sample Questions
Q1) In a well-functioning alimentary tract,stomach contents do not "back wash" into the esophagus because the pyloric sphincter prevents foodstuff from seeping back into the esophagus.
A) Both statements are true.
B) Both statements are false.
C) The first statement is true; the second is false.
D) The first statement is false; the second is true.
Answer: C
Q2) Each is a function of saliva,except one.Which is the exception?
A) Saliva is essential to gustatory sensations.
B) Saliva lubricates oral tissues.
C) Saliva provides antibacterial action.
D) Saliva buffers bacterial acids.
E) Saliva extracts calcium and phosphate from demineralized tooth surfaces.
Answer: E
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5
Chapter 4: Carbohydrate: The Efficient Fuel
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51 Verified Questions
51 Flashcards
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Sample Questions
Q1) Sugar substitutes can reduce energy content and decrease cariogenicity of a product.Used in moderation,sugar substitutes are beneficial.
A) Both statements are true.
B) Both statements are false.
C) The first statement is true; the second is false.
D) The first statement is false; the second is true.
Q2) A patient would like to increase glycogen stores.Which food could you suggest?
A) Beef
B) Fish
C) Donuts
D) Dried beans
Q3) The principal role of absorbed sugar is to:
A) encourage the growth of bacteria.
B) accelerate gastrointestinal motility.
C) provide energy for body functions.
D) lipogenesis.
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Chapter 5: Protein: The Cellular Foundation
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36 Verified Questions
36 Flashcards
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Sample Questions
Q1) The substance that is most supportive of bones and teeth is:
A) hemoglobin.
B) collagen.
C) insulin.
D) pepsin.
Q2) The physiologic role of proteins does NOT include:
A) resistance to disease.
B) regulation of fluid balance.
C) repair of tissue.
D) providing the primary source of energy.
Q3) Analysis of a vegan's diet reveals that the patient has not been consuming any vitamin B .Which is an inappropriate dietary intervention?
A) Brewer's yeast
B) White chicken breast
C) Soy-fermented tempeh
D) Fortified breakfast cereal
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Chapter 6: Lipids: The Condensed Energy
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41 Flashcards
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Sample Questions
Q1) To distinguish obesity from edema,the skin should be palpated and observed through light magnification.The skin of an obese patient will exhibit a flabby consistency in contrast to the spongy consistency found in edematous skin.
A) Both statements are true.
B) Both statements are false.
C) The first statement is true; the second is false.
D) The first statement is false; the second is true.
Q2) Linoleic and arachidonic acids are omega-6 fatty acids because their first double bond occurs on the sixth carbon from the omega (terminal)end.
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) The statement is not correct, but the reason is correct.
E) Neither the statement nor the reason is correct.
Q3) Which fatty acid has the most hydrogen atoms?
A) Saturated
B) Monounsaturated
C) Polyunsaturated
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Chapter 7: Use of the Energy Nutrients: Metabolism and Balance
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37 Verified Questions
37 Flashcards
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Sample Questions
Q1) Hunger,also known as appetite,is the physiologic drive to eat.Energy balance is maintained when the kilocalorie intake is within 10% of energy needed for body processes and physical activities.
A) Both statements are true.
B) Both statements are false.
C) The first statement is true; the second is false.
D) The first statement is false; the second is true.
Q2) During times of low caloric intake,high-protein diets successfully build muscle mass because this type of diet utilizes the amino acid metabolic pool to stimulate anabolism of muscle.
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) The statement is not correct, but the reason is correct.
E) Neither the statement nor the reason is correct.
Q3) Each is a function of the liver,except one.Which is the exception?
A) Regulatory control of nutrients in the bloodstream
B) Conversion of monosaccharides to triglycerides
C) Breakdown of polysaccharide glycogen into glucose
D) Oxidation of digestive end products to provide energy
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Chapter 8: Vitamins Required for Calcified Structures
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48 Verified Questions
48 Flashcards
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Sample Questions
Q1) Oily fish are considered excellent sources of vitamin D.Which is NOT considered an oily fish?
A) Salmon
B) Cod
C) Mackerel
D) Sardines
E) Tuna
Q2) Supplementing dietary intake of beta-carotene is advised for patients with leukoplakia who smoke because research documents that exogenous beta-carotene protects lung tissues from dangers of smoking.
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) The statement is not correct, but the reason is correct.
E) Neither the statement nor the reason is correct.
Q3) Each is a fat-soluble vitamin,except one.Which is the exception?
A) Vitamin A
B) Vitamin C
C) Vitamin D
D) Vitamin K
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Chapter 9: Minerals Essential for Calcified Structures
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Sample Questions
Q1) High levels of calcium within the urine is called:
A) hypercalcemia.
B) hypercalciuria.
C) hyperplasia.
D) hypoplasia.
Q2) The best source of phosphorus is:
A) whole-grain products.
B) fruits and vegetables.
C) legumes.
D) animal protein.
E) soy protein.
Q3) Fluoride is advantageous to dental health because of its systemic effects before tooth eruption and both systemic and topical effects after tooth eruption.
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) The statement is not correct, but the reason is correct.
E) Neither the statement nor the reason is correct.
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11
Chapter 10: Nutrients Present in Calcified Structures
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30 Verified Questions
30 Flashcards
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Sample Questions
Q1) Each is a physiologic role of copper,except one.Which is the exception?
A) It is essential for formation of red blood cells and connective tissue.
B) Copper functions as a cofactor for an antioxidant enzyme
C) Copper-containing enzymes encourage production of neurotransmitters.
D) It is readily incorporated into tooth enamel.
Q2) Which seafood is most likely to have the least amount of mercury?
A) Shark
B) Swordfish
C) Mackerel
D) Salmon
E) Fresh tuna
Q3) Aluminum,an essential nutrient,is added to intravenous solutions because it increases absorption and distribution of the medications.
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) The statement is not correct, but the reason is correct.
E) Neither the statement nor the reason is correct.
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Chapter 11: Vitamins Required for Oral Soft Tissues and Salivary Glands
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47 Verified Questions
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Sample Questions
Q1) Although milk and milk products are excellent sources of riboflavin,approximately 30% of the dietary intake is furnished by foods in the grain group.Meat,poultry,and fish also provide about one fourth of the dietary requirement.
A) Both statements are true.
B) Both statements are false.
C) The first statement is true; the second is false.
D) The first statement is false; the second is true.
Q2) Deficiency produces squamous metaplasia in salivary gland ducts
A)Biotin
B)Vitamin C
C)Vitamin A
D)Antioxidants
E)Iron and folic acid
F)Chelated
Q3) Which condition is least likely to be caused by a deficiency of riboflavin?
A) Glossitis
B) Bilateral cheilosis
C) Dermatitis
D) Anemia
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Chapter 12: Water and Minerals Required for Oral Soft
Tissues and Salivary
Glands
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44 Verified Questions
44 Flashcards
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Sample Questions
Q1) During heat exhaustion,a sodium deficit results in hyponatremia.Early symptoms include nausea,abdominal cramps,headache,hyperactivity,and excessive talking.
A) Both statements are true.
B) Both statements are false.
C) The first statement is true; the second is false.
D) The first statement is false; the second is true.
Q2) Thyroxine is produced by iron.Thyroxine,produced by the thyroid gland regulates basal metabolic rate.
A) Both statements are true.
B) Both statements are false.
C) The first statement is true; the second is false.
D) The first statement is false; the second is true.
Q3) While assessing oral tissues,signs of fluid volume deficit (FVD)that a dental hygienist should look for include: (Select all that apply.)
A) dry tongue with longitudinal fissures.
B) xerostomia.
C) edematous mucous membranes.
D) increased salivary flow.
E) shrinkage of oral mucous membranes.
Page 14
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Chapter 13: Nutritional Requirements Affecting Oral Health in
Women
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36 Verified Questions
36 Flashcards
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Sample Questions
Q1) Decreased production of estrogen and progesterone
A)Nutritional insult
B)Preeclampsia
C)Gravida
D)Erythropoiesis
E)Anencephaly
F)Lactation
G)Alcohol
H)Dysesthesia
I)Menopause
J)Hormone replacement therapy
K)Toxoplasmosis
Q2) Synthesis of keratin in tooth enamel depends on:
A) zinc.
B) vitamin A.
C) vitamin C.
D) vitamin D.
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Page 15
Chapter 14: Nutritional Requirements During Growth and Development and
Eating
Habits Affecting Oral Health
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43 Verified Questions
43 Flashcards
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Sample Questions
Q1) To help prevent early childhood caries (ECC),the dental hygienist should recommend the infant:
A) not be given nighttime bottles.
B) drink pasteurized skim milk.
C) eat iron-rich foods.
D) drink fruit juice.
Q2) Because of increasing cases of fluorosis,low levels of fluoride are added to commercial infant formula.Breast milk provides low levels of fluoride.
A) Both statements are true.
B) Both statements are false.
C) The first statement is true; the second is false.
D) The first statement is false; the second is true.
Q3) Iron-rich food or a daily low-dose oral iron supplement should be initiated at what age?
A) 2 to 3 months
B) 4 to 6 months
C) 5 to 6 months
D) 6 months
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Chapter 15: Nutritional Requirements for Older Adults and Eating Habits Affecting Oral Health
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34 Verified Questions
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Sample Questions
Q1) Gingival recession predisposes teeth to root caries because the enamel covering the root becomes roughed as it is exposed to the oral environment.
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) The statement is not correct, but the reason is correct.
E) Neither the statement nor the reason is correct.
Q2) Adhering to low-sodium or diabetes dietary guidelines is difficult for patients with anosmia.Root caries are prevalent in patients with xerostomia,a condition that affects half of all older adults.
A) Both statements are true.
B) Both statements are false.
C) The first statement is true; the second is false.
D) The first statement is false; the second is true.
Q3) The primary cause of confusion in older hospitalized patients is thought to be:
A) malnutrition.
B) atropic gastritis.
C) dehydration.
D) sarcopenia.
Page 17
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Chapter 16: Other Considerations Affecting Nutrient Intake
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Sample Questions
Q1) Which program is designed to help lower socioeconomic groups with all aspects of nutrition?
A) The Nutrition Program for the Elderly
B) Title III
C) The Expanded Food and Nutrition Education Program
D) Head Start
E) The U.S. Food and Drug Administration
Q2) Weight loss therapies that rely on juicing typically provide increased fiber,vitamins,and minerals.As an added incentive,juices contain a lower concentration of sugar than the whole fruit.
A) Both statements are true.
B) Both statements are false.
C) The first statement is true; the second is false.
D) The first statement is false; the second is true.
Q3) Which storage condition is NOT ideal for foods kept in a pantry?
A) Airtight container
B) Direct sunlight
C) Dry environment
D) Cool temperature
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Page 18
Chapter 17: Effects of Systemic Disease on Nutritional
Status and Oral Health
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50 Verified Questions
50 Flashcards
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Sample Questions
Q1) The dental hygienist should have three or four glucose tablets available because some oral diabetes medications are often combined with an oral agent that causes hypoglycemia.
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) The statement is not correct, but the reason is correct.
E) Neither the statement nor the reason is correct.
Q2) Each is a gastrointestinal problem,except one.Which is the exception?
A) Gastroesophageal reflux disease
B) Hirsutism
C) Hiatal hernia
D) Esophagitis
Q3) Each is a sign of vitamin B deficient megaloblastic anemia,except one.Which is the exception?
A) Angular cheilosis
B) Dark red oral mucosa
C) Recurrent aphthous ulcers
D) Erythematous mucositis
Page 19
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Chapter 18: Nutritional Aspects of Dental Caries: Causes,
Prevention, and Treatment
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Sample Questions
Q1) The timing of an acidic food within a meal has little effect on cariogenicity.Cariogenic foods create less risk of enamel demineralization if followed by a noncariogenic or cariostatic food.
A) Both statements are true.
B) Both statements are false.
C) The first statement is true; the second is false.
D) The first statement is false; the second is true.
Q2) Each has the potential to initiate demineralization,except one.Which is the exception?
A) Casein
B) Streptococcus mutans
C) Lactobacillus
D) Plaque biofilms
Q3) An excellent snack for dental hygienists to recommend is raisins.The pH of diet and regular soft drinks,bottled teas,and sports drink ranges from 2.5 to 3.5.
A) Both statements are true.
B) Both statements are false.
C) The first statement is true; the second is false.
D) The first statement is false; the second is true.
Page 20
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Chapter 19: Nutritional Aspects of Gingivitis and Periodontal Disease
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Sample Questions
Q1) Periodontal disease is the leading reason for tooth loss for patients older than 65 years.Nutritional deficiencies can modify the body's response to periodontal disease.
A) Both statements are true.
B) Both statements are false.
C) The first statement is true; the second is false.
D) The first statement is false; the second is true.
Q2) Protein or vitamin C deficiencies are contributing factors to necrotizing ulcerative gingivitis (NUG).These deficiencies commonly occur in nursing mothers and overweight older adults.
A) Both statements are true.
B) Both statements are false.
C) The first statement is true; the second is false.
D) The first statement is false; the second is true.
Q3) Which is most likely to increase the risk and severity of periodontal disease?
A) Local irritating factors in combination with systemic factors
B) Local irritating factors alone
C) Systemic factors
D) Systemic factors in combination with medications
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Chapter 20: Nutritional Aspects of Alterations in the Oral
Cavity
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Sample Questions
Q1) If a patient complains of oral dryness,the dental hygienist can assess salivary flow by milking the major salivary glands.These include which glands? (Select all that apply.)
A) Parotid
B) Circumvallate
C) Submandibular
D) Nasopalatine
E) Sublingual
Q2) The area around the cementoenamel junction is particularly susceptible to root caries because if often has irregular anatomical features.
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) The statement is not correct, but the reason is correct.
E) Neither the statement nor the reason is correct.
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Chapter 21: Nutritional Assessment and Counseling for Dental Hygiene Patients
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27 Verified Questions
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Sample Questions
Q1) Gingival hemorrhage
A)Folic acid
B)Vitamin C
C)Vitamin A
D)Vitamin K
E)Iron
F)Zinc
G)Cobalamin
Q2) Motivational interviewing is a respectful,collaborative conversation about change.While the power for change rests in the hands of the patient,the dental professional selects the dietary plan most appropriate for the patient.
A) Both statements are true.
B) Both statements are false.
C) The first statement is true; the second is false.
D) The first statement is false; the second is true.
Q3) During nutritional counseling,it is most important to:
A) consult the patient's family.
B) formulate a sample diet plan before presenting it to the patient.
C) include members of the dental team in the dietary formulation.
Page 23
D) include the patient in formulation of the dietary plan.
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