DHG 140 Test 3 End of Chapter Questions

Which of the following neoplasms is most likely to occur in the mandible? a. ameloblasoma b. melanocytic nevus c. pleomorphic adenoma d. basal cell carcinoma

a. ameloblastoma

Patients with an X-linked hereditary condition: a. are generally affected more severely if they are men b. are always XYY c. have cells with an extra Barr body d. are always women

a. are generally affected ore severely if they are men

Which of the following has the best long-term prognosis? a. basal cell carcinoma b. squamous cell carcinoma c. multiple myeloma d. melanoma

a. basal cell carcinoma

Which of the following represents an early clinical example of squamous cell carcinoma? a. exophytic erythroleukoplakia b. urticaria c. brown macule d. destructive radiolucency

a. exophytic erythroleukoplakia

A compound odontoma differs from a complex odontoma in that a compound odontoma: a. is composed of several toothlike structures b. has unlimited growth potential c. presents as radiopaque mass d. is located in the posterior mandible

a. is composed of several toothlike structures

Which of the following neoplasms may present as diffuse gingival enlargement with persistent bleeding? a. leukemia b. multiple myeloma c. lymphoma d. congenital epulis

a. leukemia

Which of the following neoplasms often occurs in the buccal mucosa or vestibule? a. lipoma b. congenital epulis c. hemangioma d. granular cell tumor

a. lipoma

The cause of all forms of labial and palatal clefting is considered to be: a. multifactorial b. environmental c. autosomal recessive d. autosomal dominant

a. multifactorial

Syndrome involvement may occur with a: a. neurofibroma b. verrucous carcinoma c. pleomorphic adenoma d. granular cell tumor

a. neurofibroma

Which of the following are cells that produce melanin? a. nevus cells b. squamous cells c. granular cells d. mesenchymal cells

a. nevus cells

Neoplasia involves all of the following except one. Which is the exception? a. normal arrangement of cells b. irreversible cellular changes c. abnormal process d. uncontrolled cell multiplication

a. normal arrangement of cells

Barr bodies are seen at the: a. nuclear periphery of all cells in women b. periphery of the cytoplasm in all human cells c. nuclear periphery of all human cells d. periphery of the cytoplasm in all cells from women

a. nuclear periphery of all cells in women

Which of the following is the most common odontogenic tumor? a. odontoma b. ameloblastoma c. ameloblastic fibroma d. cementoblastoma

a. odontoma

A benign tumor of bone is called a(n): a. osteoma b. neurofibroma c. hemangioma d. chondroma

a. osteoma

Which of the following is true of von Recklinghausen disease? a. patients may have gingival neurofibromas b. it is inherited as an autosomal-recessive trait c. patients experience a generalized whitening of the oral mucosa d. patients have multiple fibromatoses

a. patients may have gingival neurofibromas

All of the following are examples of malignant salivary gland tumors except one. Which one is the exception? a. pleomorphic adenoma b. mucoepidermoid carcinoma c. cylindroma d. adenoid cystic carcinoma

a. pleomorphic adenoma

Th order of the four stages of mitosis are: a. prophase, metaphase, anaphase, telophase b. metaphase, prophase, telophase, anaphase c. anaphase, metaphase, telophase, prophase d. prophase, telophase, metaphase, anaphase

a. prophase, metaphase, anaphase, telophase

In dentinogenesis imprefecta type II, teeth have: a. roots that are short and thin b. dilacerated roots c. hard, dense dentin markedly brittle enamel

a. roots that are short and thin

All of the following are correct concerning solar cheilitis except one. Which one is the exception? a. there is a distinct demarcation between the vermillion border and the skin b. it appears as a mottled grayish-pink discoloration of lower lip c. linear fissures are seen at right angles to the vermillion border d. it is caused by excessive exposure to sunlight

a. there is a distinct demarcation between the vermillion border and the skin

Which of the following best describes the radiographic features of a cementoblastoma? a. well-circumscribed radiopaque lesion with a radiolucent halo fused to the root of a vital tooth b. multilocular radiolucency in the posterior mandible c. unilocular radiolucent lesion around the crown of an impacted tooth d. numerous toothlike structures in the anterior maxilla

a. well-circumscribed radiopaque lesion with a radiolucent halo fused to the root of a vital tooth

Cannon disease is also known as: a. white sponge nevus b. gingival fibromatosis c. chronic neutropenia d. cherubism

a. white sponge nevus

The karyotype of a patient with Turner syndrome shows: a. 43 autosomes and XYY b. 44 autosomes and XO c. 44 autosomes and XYY d. 44 autosomes and XXY

b. 44 autosomes and XO

The odontogenic tumor that characteristically appears as a well-circumscribed radiolucency located in the anterior maxilla of an adolescent girl is a(n): a. ameloblastic fibro-odontoma b. adenomatoid odontogenic tumor c. calcifying cystic odontogenic tumor d. odontogenic myxoma

b. adenomatoid odontogenic tumor

All of the following tumors may contain a radiopaque component except one. Which one is the exception? a. adenomatoid odontogenic tumor b. ameloblastic fibroma c. benign cementoblastoma d. complex odontoma

b. ameloblastic fibroma

All of the following are microscopic characteristics of squamous cell carcinoma except one. Which is the exception? a. invasion of tumor cells into the connective tissue b. cells with very small nuclei c. cells with hyperchromatic nuclei d. keratin pearls

b. cells with very small nuclei

Pain is most often a symptom of a: a. complex odontoma b. cementoblastoma c. neurofibroma d. fibroma

b. cementoblastoma

In all inherited varieties of gingival fibromatosis, the gingival enlargement is characterized by a marked: a. alveolar bone hypertrophy b. collagenization of the connective tissue c. hyperplasia of the covering epithelium d. chronic inflammatory cellular infiltrate

b. collagenization of the connective tissue

All of the following are involved in cherubism except one. Which one is the exception? a. coronoid process b. condyle c. posterior mandible d. ascending ramus

b. condyle

Which of the following lesions characteristically occurs on the alveolar mucosa in newborn girls? a. granular cell tumor b. congenital epulis c. lymphangioma d. plasmacytoma

b. congenital epulis

The most frequent site of hemorrhage in patients with hereditary hemorrhagic telangiectasia is the: a. lip mucosa b. gingiva c. nasal mucosa d. eyelids

b. gingiva

A benign tumor composed of a proliferation of capillaries is called a: a. neurofibroma b. hemangioma c. schwannoma d. lymphangioma

b. hemangioma

Which term describes a unique feature of the adenoid cystic carcinoma? a. honeycombed radiolucency b. histopathologic pattern described as resembling "swiss cheese" c. most common salivary gland tumor d. radiolucency that scallops around tooth roots

b. histopathologic pattern described as resembling "swiss cheese"

Torus mandibularis and torus palantinus are: a. sporadic tratis b. inherited as an autosomal-dominant trait c. inherited as an autosomal-recessive trait d. more prevalent in males

b. inherited as an autosomal-dominant trait

An overproduction of atypical lymphocytes in the bone marrow that results in an increase in lymphocytes in the circulating blood is called a: a. lymphoma b. leukemia c. melanoma d. plasmacytoma

b. leukemia

Which of the following is a malignant tumor of lymphocytes? a. multiple myeloma b. lymphoma c. melanoma d. plasmocytoma

b. lymphoma

The most frequent intraoral site for metastatic tumors is the: a. gingiva b. mandible c. hard palate d. lateral tongue

b. mandible

A gamete is the result of the process of: a. the S phase b. meiosis c. mitosis d. prophase

b. meiosis

Which of the following is a component of the Peutz-Jeghers syndrome? a. multiple jaw cysts b. multiple pigmented macules on the lower lip and mucosa c. multiple nodules on the tip of the tongue d. multiple supernumerary teeth

b. multiple pigmented macules on the lower lip and mucosa

Which of the following may undergo malignant transformation? a. granular cell tumor b. neurofibroma c. papilloma d. hemangioma

b. neurofibroma

Which odontogenic tumor most closely resembles the mesenchyme of the dental follicle? a. cementoblastoma b. odontogenic myxoma c. compound odontoma d. ameloblastoma

b. odontogenic myxoma

All of the following are benign lesions that histologically contain bonelike mineralized material except one. Which one is the exception? a. osteoma b. odontoma c. chondroma d. osteosarcoma

b. odontoma

Which of the following malignant tumors has been reported to show a characteristic sunburst pattern on radiographic examination? a. multiple myeloma b. osteosarcoma c. lymphoma d. chondrosarcoma

b. osteosarcoma

Which one of the following is typically found in the MEN 2B syndrome? a. carcinoma of the pancreas b. pheochromocytoma c. basal cell carcinoma d. carcinoma of the colon

b. pheochromocytoma

What is the most common benign salivary gland tumor? a. trabecular adenoma b. pleomorphic adenoma c. canalicular adinoma d. warthin tumor

b. pleomorphic adenoma

The characteristic finding in permanent teeth affected with coronal dentin dysplasia is: a. large, square pulp chambers in molars b. thistle-shaped pulp chambers in incisors c. crowns with amber color d. markedly short roots

b. thistle-shaped pulp chambers in incisors

Snow-capped amelogenesis imperfecta have teeth with: a. short, blunted roots b. white hypocalcified enamel at the incisal and occlusal thirds c. a thin, brown enamel d. obliterated pulp chambers

b. white hypocalcified enamel at the incisal and occlusal thirds

Which one of the following is characteristically associated with oral ulcerations? a. Gardner syndrome b. Gorlin syndrome c. Kostmann syndrome d. Peutz-Jeghers syndrome

c. Kostmann syndrome

Which of the following statements concerning leukoplakia is true? a. most cases are associated with a previous history of radiation therapy b. common sites for leukoplakia are the buccal mucosa ang gingiva c. a biopsy should be performed to establish a diagnosis d. leukoplakia is less common than erythroplakia

c. a biopsy should be performed to establish a diagnosis

Karyotype refers to: a. a portion of a chromosome attached to another chromosome b. a pair of chromosomes with an identical extra chromosome c. a microphotograph showing a person's chromosomes from a single cell d. the position occupied by a gene in a chromosome

c. a microphotograph showing a person's chromosomes from a single cell

All of the following neoplasms arise from squamous epithelium except one. Which one is the exception? a. squamous cell carcinoma b. verrucous carcinoma c. adenoid cystic carcinoma d. papilloma

c. adenoid cystic carcinoma

Taurodontic teeth: a. have long roots b. have thistle-shaped pulp chambers c. are pyramidal in shape d. are supernumerary

c. are pyramidal in shape

The Papillon-Lefevre syndrome is inherited according to a(an): a. X-linked recessive pattern b. autosomal-dominan pattern c. autosomal-recessive pattern d. X-linked dominant pattern

c. autosomal-recessive pattern

All of the following arise in the oral cavity except one. Which one is the exception? a. squamous cell carcinoma b. malignant melanoma c. basal cell carcinoma d. verrucous carcinoma

c. basal cell carcinoma

A hemangioma is a: a. malignant tumor of melanocytes b. benign tumor of fat cells c. benign tumor of blood vessels d. malignant tumor of bone

c. benign tumor of blood vessels

The constriction that joins the short and long arms of each chromosome is called the: a. chromatid b. equatorial plate c. centromere d. chiasmata

c. centromere

Which of the following is the most serious component of Gardner syndrome? a. teeth hypercementosis b. mandibular odontomas c. colorectal polyposis d. multiple osteomas

c. colorectal polyposis

Which of the following is a characteristic of a benign tumor? a. invasive and unencapsulated b. often grows rapidly c. composed of well-differentiated cells d. numerous abnormal mitotic figures

c. composed of well-differentiated cells

Which one of the following is associated with cyclic neutropenia? a. exfoliating teeth because of short roots b. chipping away of enamel c. diminished number of circulating neutrophils d. premature loss of primary teeth

c. diminished number of circulating neutrophils

Which of the following are the most common locations for intraoral squamous cell carcinoma? a. upper labial mucosa, frenum, and lingual gingiva b. lower labial mucosa, maxillary gingiva, and buccal mucosa c. floor of the mouth, ventrolateral tongue, and soft palate d. anterior tongue, mandibular gingiva, and retromolar area

c. floor of the mouth, ventrolateral tongue, and soft palate

Patients with hypohidrotic ectodermal dysplasia characteristically have: a. blue sclerae b. excessive amounts of hair c. hypodontia d. multiple tongue nodules

c. hypodontia

Which one of the following is characteristically associated with teeth which large pulp chambers? a. coronal dentin dysplasia b. dentinogenesis imperfecta c. hypophosphatasia d. pitted autosomal-dominant amelogenesis imperfected

c. hypophosphatasia

Two characteristic clinical components of mandibulofacial dysostosis are: a. lack of clavicles and delayed teeth eruption b. hypodontia and dysplastic nails c. hypoplastic mandible and deafness d. cleft lip and fistulas of lower lip

c. hypoplastic mandible and deafness

The most common intraoral location for a salivary gland tumor is the: a. gingival mucosa b. anterior buccal mucosa c. junction of the hard and soft palate d. posterior lateral tongue

c. junction of the hard and soft palate

Human herpesvirus 8 is associated with: a. herpangina b. melanoma c. kaposi sarcoma d. schwannoma

c. kaposi sarcoma

A white plaquelike lesion that cannot be rubbed off or diagnosed clinically as a specific disease is called: a. squamous cell carcinoma b. erythroplakia c. leukoplakia d. erythroleukoplakia

c. leukoplakia

What is the predominant type of tissue found in Waldeyer rings? a. epithelial cells b. skeletal muscle c. lymphoid tissue d. adipose tissue

c. lymphoid tissue

Which of the following malignancies is characterized by a monoclonal spike on immunoelectrophoresis? a. osteosarcoma b. rabdomyosarcoma c. multiple myeloma d. leukemia

c. multiple myeloma

Odontogenic keratocysts are a clinical component of: a. cherubism b. pegged lateral incisors c. nevoid basal cell carcinoma syndrome d. neurofibromatosis of von Recklinghausen

c. nevoid basal cell carcinoma syndrome

A malignant tumor of bone-forming tissue is called a. chondromsarcoma b. multiple myeloma c. osteosarcoma d. rhabdomyosarcoma

c. osteosarcoma

Melanoma of the oral cavity is rare; however, the most common intraoral locations are the: a. dorsal and lateral tongue b. floor of mouth and anterior buccal mucosa c. palate and maxillary gingiva d. retromolar pad and soft palate

c. palate and maxillary gingiva

A 9-year-old boy exhibits markedly swollen red and bleeding gingiva. In additions, he has tooth mobility, and the intraoral radiographs show marked alveolar bone atrophy with vertical periodontal pockets. Which of the following will be found in this child if he were to have Papillon-Lefevre syndrome? a. lack of anterior vestibule sulcus b. diminished sweating c. palmar and plantar hyperkeratosis d. blue sclerae

c. palmar and plantar hyperkeraosis

All of the following are types of monomorphic adenoma except one. Which one is the exception? a. trabecular adenoma b. canicular adenoma c. pleomorphic adenoma d. papillary cystadenoma lymphomatosum

c. pleomorphic adenoma

Radiographs of a patient with radicular dentin dysplasia show: a. taurodontic teeth b. large pulp chambers with long pulp horns c. pulp chambers with half-moon appearance d. internal resorption of teeth

c. pulp chambers with half-moon appearance

All of the following are associated with the neoplastic transformation of cells except one. Which one is the exception? a. chemicals b. sunlight c. repeated trauma d. viruses

c. repeated trauma

The most common malignant soft tissue tumor of the head and neck in children is: a. granular cell tumor b. lymphangioma c. rhabdomyosarcoma d. schwannoma

c. rhabdomyosarcoma

A 19-year-old woman is diagnosed with cleidocranial dysplasia. She has absent clavicles and a mushroom-shaped skull. Which of the following conditions is she most likely to have? a. large pulp chambers b. taruodontism c. supernumerary teeth d. pegged lateral incisors

c. supernumerary teeth

The most appropriate treatment for epithelial dysplasia is: a. radiation therapy b. chemotherapy c. surgical excision d. observation

c. surgical excision

Which of the following salivary gland tumors often occurs in adult men? a. pleomorphic adenoma b. trabecular adenoma c. warthin tumor d. tubular adenoma

c. warthin tumor

A patient with squamous cell carcinoma of the lateral tongue exhibits metastatic disease of the liver. What clinical stage correlates with these findings? a. Stage I b. Stage II c. Stage III d. Stage IV

d. Stage IV

Trisomy refers to: a. one extra chromosome in each pair b. three extra chromosomes c. the presence of two X chromosomes in a male d. a pair of chromosomes with an identical extra chromosome

d. a pair of chromosomes with an identical extra chromosome

Patients with hypophosphatasia characteristically have: a. increase in serum alkaline phosphatase levels b. obliterated pulp chambers c. marked gingival keratinization d. absence of root cementum

d. absence of root cementum

All of the following are characteristics of cherubism except one. Which one is the exception? a. pseudoanodontia b. autosomal dominant c. ocular hypertelorism d. autosomal recessive

d. autosomal recessive

A 14-year-old boy is seen in consultation because of bilateral mandibular swelling. Radiographs show a bilateral multilocular lesion in the ascending mandibular rami. The mother of this patient has similar findings. The most likely diagnosis is: a. cleidocranial dysplasia b. nevoid basal cell carcinoma syndrome c. ellis-van creveld syndrome d. cherubism

d. cherubism

In which one of the following conditions can the shoulders be brought forward to the midline due to hypoplastic clavicles? a. cherubism b. Ellis-von Creveld syndrome c. Turner syndrome d. Cleidocranial dysplasia

d. cleidocranial dysplasia

Hypotrichosis means: a. increased number of sweat glands b. diminished number of sweat glands c. increased amount of hair d. decreased amount of hair

d. decreased amount of hair

The major concern for a dental hygienist when treating a patient with Osler-Rendu-Parkes Weber syndrome should be: a. severe infections b. epithelial desquamation c. spontaneous ulcerations d. gingival hemorrhage

d. gingival hemorrhage

Verrucous carcinoma is differentiated from squamous cell carcinoma because it: a. occurs primarily on the hard palate b. responds to chemotherapy c. often metastasizes d. has a better prognosis

d. has a better prognosis

The so-called "enamel agenesis" is one of which type of amelogenesis imperfecta? a. hypocalcified b. hypomaturation c. hypoplastic-hypomaturation d. hypoplastic

d. hypoplastic

The most frequently exfoliated teeth in patients with hypophosphatasia are the: a. mandibular permanent incisors b. mandibular primary incisors c. maxillary primary molars d. maxillary primary incisors

d. maxillary primary incisors

Which of the following neoplasms has the worst long-term prognosis? a. basal cell carcinoma b. verrucous carcinoma c. mucoepidermoid carcinoma d. metastatic tumor to the jaws

d. metastatic tumor to the jaws

Central involvement of the jaws may occur with a: a. granular cell tumor b. basal cell carcinoma c. melanocytic nevus d. mucoepidermoid cacrinoma

d. mucoepidermoid carcinoma

Which of the following neoplasms occurs most often in males? a. congenital epulis b. mucoepidermoid carcinoma c. pleomorphic adenoma d. multiple myeloma

d. multiple myeloma

Which of the following tumors is associated with von Recklinghausen disease? a. schwannoma b. granular cell tumor c. chondroma d. neurofibroma

d. neurofibroma

All of the following are characteristic features of an ameloblastoma except one. Which one is the exception? a. represents a benign tumor b. most often occurs in the mandible c. may be radiographically multilocular d. often encapsulated

d. often encapsulated

A small white exophytic lesion on the palate is a benign lesion composed of squamous epithelium. Papillary projections are arranged in a cauliflower-like appearance. It is most likely a: a. congenital epulis b. neurofibroma c. granular cell tumor d. papilloma

d. papilloma

The cell type involved in multiple myeloma is a: a. lymphocyte b. macrophage c. basophil d. plasma cell

d. plasma cell

All of the following statements concerning an ameloblastoma are true except one. Which is the exception? a. presents as a multilocular radiolucency b. represents a benign and locally aggressive lesion c. often occurs in the mandibular molar and ramus area d. should be treated with radiation therapy

d. should be treated with radiation therapy

Which one of the following statements is true when comparing cyclic neutropenia and Kostmann syndrome? a. the oral lesions in cyclic neutropenia are more severe b. both conditions are inherited autosomal dominant c. both conditions are associated with capillary fragility d. the oral lesions in Kostmann syndrome are always present unless systemic treatment is instituted

d. the oral lesions in Kostmann syndrome are always present unless systemic treatment is instituted

What is the most common intraoral location for a neurofibroma and a schwannoma? a. buccal mucosa b. soft palate c. gingiva d. tongue

d. tongue

All of the following are characteristic of a malignant tumor except one. Which one is the exception? a. usually unencapsulated b. contains abnormal mitotic findings c. composed of pleomorphic cells d. usually grows very slowly

d. usually grows very slowly