Preclinical Dental Hygiene Practice Exam
Course Introduction
Preclinical Dental Hygiene introduces students to the fundamental concepts, skills, and procedures necessary for clinical dental hygiene practice. This course emphasizes the development of basic instrumentation techniques, infection control protocols, patient assessment, and preventive care procedures in a simulated laboratory setting. Through hands-on exercises and demonstrations, students learn to safely and effectively perform clinical tasks such as dental charting, scaling, and polishing, while fostering critical thinking and professionalism in preparation for patient care in subsequent clinical courses.
Recommended Textbook
Oral Pathology for the Dental Hygienist 7th Edition by Olga A. C. Ibsen
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10 Chapters
758 Verified Questions
758 Flashcards
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Page 2
Chapter 1: Introduction to Preliminary Diagnosis of Oral
Lesions
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65 Verified Questions
65 Flashcards
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Sample Questions
Q1) Which condition is considered a genetic/inherited disorder?
A) Linea alba
B) Amelogenesis imperfecta
C) Necrotizing ulcerative gingivitis
D) Internal resorption
Answer: B
Q2) This torus palatinus is correctly described as
A) bullous.
B) papular.
C) lobulated.
D) nodular.
Answer: C
Q3) A lesion with a sessile base is described as A) an ulcer.
B) stemlike.
C) pedunculated.
D) flat and broad.
Answer: D
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Chapter 2: Inflammation and Repair
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74 Verified Questions
74 Flashcards
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Sample Questions
Q1) All statements are true concerning the neutrophil except that the neutrophil is A) the first cell at the site of injury.
B) the primary cell in acute inflammation.
C) the primary cell in chronic inflammation.
D) a phagocyte.
Answer: C
Q2) Which statement is characteristic of erosion?
A) It is a pathologic wearing away of tooth structure that results from a repetitive mechanical habit.
B) It is caused by local factors such as occlusal interferences in combination with stress and tension.
C) If tooth structure is lost around a restoration, the restoration will appear raised from the surrounding demineralized tooth structure.
D) Its first clinical sign is the disappearance of mamelons on the anterior teeth and the flattening of occlusal cusps on the molar teeth.
Answer: C
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4
Chapter 3: Immunity and Immunologic Oral Lesions
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73 Verified Questions
73 Flashcards
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Sample Questions
Q1) Along with phagocytosis, the macrophage acts to process antigen material and present it on its surface to the T-helper cell. This stimulates both types of lymphocytes to travel from the lymphoid tissue or surrounding blood vessels to the injury site.
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: A
Q2) Acantholysis, or the dissolution of the intercellular bridges of the prickle cell layer of the epithelium, is an oral manifestation of which disease?
A) HIV
B) Urticaria
C) Pemphigus vulgaris
D) Behçet syndrome
Answer: C
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Chapter 4: Infectious Diseases
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77 Verified Questions
77 Flashcards
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Sample Questions
Q1) Opportunistic infections can occur because the oral microflora is affected by changes such as a decrease in salivary flow, immune system alterations, or antibiotic administration.
A) Both the statement and reason are correct and related.
B) Both the statement and reason are correct but not related.
C) The statement is correct, but the reason is not.
D) The statement is not correct, but the reason is correct.
E) Neither the statement nor the reason is correct.
Q2) The vesicle cluster visible on the corner of this patient's vermilion border is also referred to as a cold sore or fever blister. The clinical diagnosis is A) herpes labialis.
B) primary herpes.
C) aphthous ulcer.
D) herpetic whitlow.
Q3) The most common site(s) for oral lesions in tuberculosis is(are) the A) tongue and palate.
B) gingiva.
C) floor of the mouth and mucobuccal folds.
D) uvula and fauces.
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Page 6
Chapter 5: Developmental Disorders
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75 Flashcards
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Sample Questions
Q1) Which is not considered a pseudocyst?
A) Thyroglossal tract cyst
B) Static bone cyst
C) Simple bone cyst
D) Aneurysmal bone cyst
Q2) This enlargement on the lateral neck of this patient has been present for months and is slowly increasing in size. It is painless and feels soft. Histologic examination shows this to be an epithelium-lined sac filled with clear, yellow fluid. It is a _____ cyst.
A) thyroglossal duct
B) branchial
C) median palatine
D) globulomaxillary
Q3) This patient is healthy with no history of local or systemic infection or disease. The patient's teeth are caries free, as are all of the teeth of all of the patients who exhibit this defect. This is characteristic of
A) fluorosis.
B) Hutchinson incisors.
C) a Turner tooth.
D) attrition.
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Page 7
Chapter 6: Genetics
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101 Verified Questions
101 Flashcards
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Sample Questions
Q1) Multiple mucosal neuroma syndrome includes multiple mucosal neuromas, medullary carcinoma of the thyroid gland, and
A) telangiectases.
B) pheochromocytoma.
C) gastrointestinal polyposis.
D) blue sclera.
Q2) Which statement is correct concerning chromosomes?
A) Chromosomes are located in the of the cell.
B) Mature germ cells (ova and spermatozoa) contain 46 chromosomes.
C) Chromosomes can only be seen clearly under a microscope when the nucleus and cell are dividing.
D) Chromosomes contain RNA, which directs the production of amino acids, polypeptides, and proteins by the cell.
Q3) Euploid, polyploid, and aneuploid are all terms relating to a(n) _____ of chromosomes.
A) alteration in the structure
B) abnormal rearrangement
C) alteration in the number
D) duplication
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Page 8
Chapter 7: Neoplasia
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114 Flashcards
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Sample Questions
Q1) _____ means new growth.
A) Metastasis
B) Neoplasia
C) Hypertrophy
D) Hyperplasia
Q2) Odontogenic
A)Complete surgical removal without cutting into the lesion
B)Deviating from the usual or natural type
C)Confined to the site of origin without an invasion of neighboring tissues
D)Tooth forming
E)Occurring within bone
F)Occurring in various forms
G)Microscopic staining that is more intense than normal
Q3) Epithelial dysplasia is a microscopy-based diagnosis; it indicates disordered growth and is considered a premalignant condition.
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.
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Page 9
Chapter 8: Nonneoplastic Diseases of Bone
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Sample Questions
Q1) The painless jaw swelling seen in monostotic fibrous dysplasia may cause all symptoms except one. Which is the exception?
A) Tooth mobility
B) Malocclusion
C) Displacement of adjacent teeth
D) Tipping of teeth
Q2) An aneurysmal bone cyst contains the following except one. Which is the exception?
A) Fibrous connective tissue
B) Epithelial lining
C) Multinucleated giant cells
D) Blood-filled spaces
Q3) "Ground glass" is the classic radiographic description of _________________.
A) Osteomalacia
B) Paget disease of bone
C) Fibrous dysplasia
D) Florid cemento-osseous dysplasia
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Chapter 9: Oral Manifestations of Systemic Diseases
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Sample Questions
Q1) Thrombocytopenic purpura results from a
A) defect in the capillary walls.
B) disorder of platelet function.
C) severe reduction in circulating platelets.
D) reduction in white blood cells.
Q2) Hepatomegaly
A)Severe pain in a joint
B)Reduction of the number of red blood cells
C)Chronic excessive thirst and intake of fluid
D)Small, flat, hemorrhagic patch larger than a petechia on the skin
E)Cell surface protein to which a specific molecule (e.g., a hormone) can bind
F)Stoppage or cessation of bleeding
G)Decrease in number of granulocytes
H)Muscle pain
I)Insoluble protein that is essential for the clotting of blood
J)Platelet
K)Enlargement of the liver
L)Increase in the total red blood cell mass in the blood
M)Abnormal rarefaction of bone
N)Decrease in the number of platelets in circulating blood
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Chapter 10: Orofacial Pain and Diseases Affecting the
Temporomandibular Joint
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53 Verified Questions
53 Flashcards
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Sample Questions
Q1) Trauma affecting the TMJ is classified as direct, indirect, and secondary to parafunctional habits. Which is an example of a parafunctional habit?
A) Whiplash injury
B) Assault
C) Surgery
D) Clenching
Q2) Which term describes the inability to fully open the mouth?
A) Trismus
B) Articulation
C) Fusion
D) Crepitus
Q3) Tenderness over the lateral pole of the condyle is indicative of A) crepitus.
B) capsulitis.
C) trismus.
D) auscultation.
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