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Evolve Resources for Oral Pathology for the Dental Hygienist, 7th Edition -
PRACTICE TEST DENTAL HYGIENE Exam | Actual Questions and
Answers Latest Updated 2024/2025 (Graded A+)
The generalized opalescence of the buccal mucosa is most likely: A. Linea alba B. Leukoedema C. Lichen planus D. Leukoplakia E. White sponge nevus - ✔✔B The generalized opalescent condition in question 1 is caused by significant intercellular edema in which layer of the stratified squamous epithelium? A. Corneum B. Basal C. Spinosum D. Granular E. Basement membrane - ✔✔C What treatment does this condition require? A. Nonsteroidal antiinflammatory drugs B. Excision C. Antifungal drugs D. Monitoring for potential malignancy E. No treatment - ✔✔E
The patient has a 2-mm probing depth on the facial aspect of tooth #6 and he has 3 mm of recession. What is the attachment loss in this area? A. 5 mm B. 2 mm C. 3 mm D. 1 mm E. 0 mm - ✔✔A The patient s sensitivity in this area is most likely related to: A. Fluid entering the sulcular epithelium B. Fluid entering the rodless enamel C. Fluid entering the dentinal tubules D. Fluid entering the lacuna of the cementum - ✔✔C The tooth itself is capable of experiencing nerve sensation from what stimuli? A. Pressure B. Hot C. Cold D. Pain E. Both B and C - ✔✔D The patient wants the areas of gingival recession treated to resolve sensitivity and esthetics problems. The dental care plan includes covering the areas around the canines with soft tissue grafts. The periodontist explains that he will perform connective tissue grafts. He explains that the connective tissue taken from the area (donor site) will produce the same type of epithelium at the canine area (recipient site) as the tissue that exists at the donor site. The type of tissue normally present around the canine area is:
This patient also has a mucocele that is the result of the severing of a minor salivary duct. A mucocele is usually found in which of the following areas? A. Gingiva B. Lower lip mucosa C. Hard palate D. Dorsum of the tongue E. Buccal mucosa - ✔✔B To prevent further recession, what changes should this patient make in his oral self-care regimen? A. More frequent continued-care appointments B. More frequent flossing C. Modified flossing technique D. More frequent toothbrushing E. Modified toothbrushing technique - ✔✔E The bitewing radiographs in Figure 8-90 indicate congenital absence of the: a. Maxillary right first premolar and maxillary left first premolars b. Mandibular right first premolar and mandibular left first premolar c. Mandibular left first premolar and mandibular right second premolar d. Mandibular right second premolar and mandibular left second premolar e. Maxillary right second premolar and maxillary left second premolar - ✔✔D A bony, hard asymptomatic area found on the midline of the hard palate that appears radiopaque on a radiograph is most likely a: A. Myxoma
B. Median palatal cyst C. Compound odontoma D. Torus palatinus E. Ranula - ✔✔D On the panograph (Figure 8-91), the bilateral radiolucent areas apical to the mandibular molars and identified by A are: A. Stafne bone cysts B. Radicular cysts C. Periapical abscesses D. Submandibular fossae E. Traumatic bone cysts - ✔✔D The horizontal radiopaque structure identified by B in Figure 8-91 is the: A. Anterior coronoid process B. Maxillary tuberosity C. Mandibular condyle D. Hamular process E. Zygomatic process - ✔✔E The bilateral radiolucent areas identified by C in Figure 8-91 are: A. Nasal fossae B. Orbits C. Frontal sinuses D. Globulomaxillary cysts E. Maxillary sinuses - ✔✔E
B. Inner lip C. Buccal mucosa D. Fauces E. Floor of the mouth - ✔✔E A definitive dental diagnosis of soft-tissue oral cancer is made by: A. Complete radiographic survey B. Panograph C. Scalpel biopsy D. Exfoliative cytology E. Brush biopsy - ✔✔C Figure 8-92 shows a periapical radiograph of the mandibular right quadrant, which was taken as part of a full-mouth radiographic series. The patient was 14 years of age and asymptomatic. The periapical radiolucency indicated by the arrow on tooth 31 is most likely: A. Resorption caused by a traumatic injury B. Periapical abscesses C. Incomplete root formation D. Hypercementosis E. Stage III cementoma - ✔✔C Primordial cysts are most often found radiographically: A. In primary dentitions B. In maxillary anterior regions C. Around a supernumerary tooth D. Posterior to erupted third molars or in place of a missing tooth
E. In mandibular canine and first premolar areas - ✔✔D The usual location of periapical cemento-osseous dysplasia (cementoma) is: A. Mandibular anteriors B. Maxillary anteriors C. The mandibular ramus D. Maxillary premolars E. The midline of the hard palate - ✔✔A Which of the following is a rickettsial infection? A. Malaria B. Psittacosis C. Rocky Mountain spotted fever D. Tularemia E. Meningitis - ✔✔C A slightly raised, noncoated, red, glossy rectangular area in the midline of the tongue has been present as long as the patient can remember. It is thought to be associated with Candida albicans. This condition is most likely: A. Geographic tongue B. Pathologic tongue C. Median rhomboid glossitis D. Fissured tongue E. Black hairy tongue - ✔✔C Which of the following provides the most conclusive diagnostic evidence in distinguishing pemphigus from pemphigoid?
A. Measles and German measles B. Chickenpox and smallpox C. Bacterial pneumonia and croup D. Shingles and chickenpox E. Infectious mononucleosis and cytomegalovirus (CMV) - ✔✔D While a 40-year-old patient is being seated in the dental chair, a lesion is noted on her lips. The lesion appears as several discrete vesicles; some have ulcerated. When questioned, the patient says she always gets a sore like that before she gets a cold. The patient most likely has: A. A chancre B. Perlèche C. An aphthous ulcer D. Herpes labialis E. Basal cell carcinoma - ✔✔D Which of the following statements most accurately describes the effect of pregnancy on the health of the mother's oral tissues? a. Pregnancy-associated gingivitis is caused by hormonal changes, and nothing can be done about it. b. Pregnant women can often experience the growth of tumors in the mouth that relate to hormonal changes. c. Hormonal changes during pregnancy result in increased gingival response to local irritants such as plaque and calculus. d. Pregnancy results in hormonal changes, but these changes do not affect the mother's oral tissues. e. Pregnancy results in hormonal changes that lead to decalcification of enamel. - ✔✔C The gingival enlargement shown in Figure 8-93 was caused by a calcium channel blocker drug. The condition was most likely caused by: A. Phenytoin (Dilantin)
B. Enalapril (Vasotec) C. Diazepam (Valium) D. Fluoxetine (Prozac) E. Nifedipine (Procardia) - ✔✔E In Figure 8-94, the soft tissue lesion on the mandibular mucosa erupted suddenly, was filled with a clear fluid, and broke easily. The condition is most likely a: A. Ranula B. Mucocele C. Fibroma D. Fistula E. Lipoma - ✔✔B Which of the following produces no radiographic image? A. Dental caries B. Supernumerary teeth C. Odontoma D. Fibroma E. Periapical cemento-osseous dysplasia - ✔✔D Which of the diagnostic methods listed below is most reliable and ensures the highest degree of accuracy when evaluating squamous cell carcinoma? A. Surgical B. Microscopic C. Therapeutic D. Clinical
A. Lateral periodontal cyst B. Primordial cyst C. Stafne bone cyst D. Residual cyst E. Traumatic bone cyst - ✔✔B Clinical examination reveals a possible leukoplakia. The first course of action should be to: A. Perform a scalpel biopsy B. Perform a cytologic smear C. Give the patient vitamin A therapy D. Have the patient return in 2 months to evaluate the growth E. Perform a blood test - ✔✔A Which one of the following tests is not used for pemphigus? A. Pels-Macht B. Tzanck C. ELISA D. Nikolsky sign E. Immunofluorescence test - ✔✔C An elderly patient's palatal condition is caused primarily by chronic irritation from the suction chamber of a denture. This is called: A. A fibroma B. A papilloma C. Papillary hyperplasia
D A median palatal cyst E. Primary aplastic anemia - ✔✔C A lesion found on the buccal mucosa of a 30-year-old white woman is pink, well defined, and soft to palpation. It has been slow-growing and histologically consists of collagenous fibers, fibroblasts, and fibrocytes, but with no fat cells or bone. It has a pedunculated base. The lesion is most likely a: A. Sarcoma B. Fibroma C. Fibrolipoma D. Fibro-osteoma E. Papilloma - ✔✔B A radiolucent lesion in the posterior part of the mandible anterior to the angle has radiographic features of a cyst. After surgical intervention, the histology report shows submaxillary salivary gland tissue; also, the lesion is not lined with epithelium. One may conclude that the lesion is most likely a(n): A. Residual cyst B. Traumatic bone cyst C. Stoffer bone cyst D. Lingual mandibular bone concavity E. Ameloblastoma - ✔✔D A cyst commonly found unilaterally in the floor of the mouth changes size between meals. Clinically, it has a bluish hue. It may be caused by: A. A decayed tooth B. Blockage or trauma to a major salivary duct C. Failure of developmental fusion of the branchial arches D. Medications
The histology reports for clinical leukoplakia could show any of the following except one. Which one is this exception? A. Dyskeratosis B. Acanthosis C. Large nuclei D. Some necrosis E. Osteoclasts - ✔✔E Which one of the following is most important to the pathologist when a chondroma is in question? A. A complete personal history of the patient B. Complete removal of the tumor in question C. Submission of a "large-enough" sample of tissue for histologic study because a chondroma resembles a malignant chondrosarcoma D. Radiographs of all large bones E. Use of radiation and chemotherapy - ✔✔C The clinical assessment of a patient's lesion is best described as a well-defined, yellowish blister-like eruption. Straw-colored fluid may be aspirated. It is a rare, benign neoplasm. The histology report shows a predominance of fat cells. The lesion is a(n): A. Papilloma B. Osteoma C. Lipoma D. Fibroma E. Myxoma - ✔✔C A tooth involved with a cyst is discovered to be nonvital on pulp testing. The cyst is probably a:
A. Residual cyst B. Lateral periodontal cyst C. Radicular cyst D. Dentigerous cyst E. Stafne bone cyst - ✔✔C Which one of the following can be a characteristic of pemphigus vulgaris? A. Nikolsky sign B. Occurs predominantly in African-American females C. Has drug reaction etiology D. Occurs predominantly in white males E. Can be determined by a Western blot test - ✔✔A A clinical assessment reveals an inflamed, palpable benign tumor in the anterior of the palate, lingual to the maxillary incisors. The tumor arises from deeper tissue and appears to originate from the periodontal ligament. The radiograph shows the lesion infiltrating bone but no metastasis. The patient is a 35-year-old woman. A possible diagnosis is a(n): A. Peripheral giant cell granuloma B. Lipoma C. Torus palatinus D. Mixed tumor E. Papilloma - ✔✔A Clinical assessment of a lesion reveals a severe hypersensitivity reaction, with the lips and tongue especially affected. In addition, "bull's-eye" skin lesions are present, and the onset of all lesions was abrupt. The condition is most likely:
D. Clinical and historical E. Therapeutic - ✔✔D Clinically, this white, cauliflower-like lesion is similar to a wart. The histology report indicates long, fingerlike projections of epithelium. The etiology is unknown. What is the most likely condition? A. Verruca vulgaris B. Papilloma C. Aspirin burn D. Linea alba E. Melanoma - ✔✔B In which of the following locations is a lateral periodontal cyst usually found? A. Between the roots of the mandibular canines and premolars B. Between the roots of the maxillary central incisors C. On the maxillary canine D. In the mandibular third molar area E. In the maxillary third molar area - ✔✔A A platelet count of 150,000 to 400,000/mm3 of blood and a normal bleeding time are not indicative of: A. Thrombocytopenia B. Anemia C. Leukemia D. Nonthrombocytopenic purpura E. Mononucleosis - ✔✔A Which one of the following is not a true characteristic of necrotizing ulcerative gingivitis (NUG)?
A. Punched-out papillae and craters B. Hyperkeratinization C. Odor D. Pain and bleeding E. Necrotic slough of epithelium - ✔✔B Which of the following makes Behçet syndrome different from recurrent ulcerative stomatitis (RUS)? A. Bull's-eye skin lesions B. A triad of locations of lesions (oral, eye, and genital) C. Exudate from lesions D. Mesenchymal proliferation E. Osteoclastic activity - ✔✔B What is the causative agent of herpangina? A. Chickenpox virus B. Coxsackievirus C. Epstein-Barr virus D. Varicella E. Paramyxovirus - ✔✔B In treating fibrous dysplasia, which one of the following would not be advised because it can trigger a malignancy? A. Radiation B. Surgery C. Chemotherapy
