Chapter 7 - Neoplasia

A benign tumor of adipose tissue is called a: A. Lipoma B. Neurofibroma C. Hemangioma D. Lymphangioma

A

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 a radiopaque mass D. Is located in the posterior mandible

A

Neoplasia involves all of the following except: A. Normal arrangement of cells B. Irreversible cellular changes C. Abnormal process D. Uncontrolled cell multiplication

A

Syndrome involvement may occur with a(n): A. Neurofibroma B. Verrucous carcinoma C. Pleomorphic adenoma D. Ameloblastic fibroma

A

Which of the following are melanin-producing cells? A. Nevus cells B. Squamous cells C. Granular cells D. Mesenchymal cells

A

Which of the following has the best long-term prognosis? A. Basal cell carcinoma B. Intraoral squamous cell carcinoma C. Rhabdomyosarcoma D. Malignant melanoma

A

Which of the following is not an example of a malignant salivary gland tumor? A. Pleomorphic adenoma B. Mucoepidermoid carcinoma C. Cylindroma D. Adenoid cystic carcinoma

A

Which of the following is the most common odonotogenic tumor? A. Odontoma B. Peripheral ossifying fibroma C. Ameloblastic fibroma D. Odontogenic myxoma

A

Which of the following malignant tumors may present as diffuse gingival enlargement with persistent bleeding? A. Leukemia B. Multiple myeloma C. Chondrosarcoma D. Neurofibroma

A

Which of the following neoplasms is most likely to occur in the jaws? A. Ameloblastoma B. Melanocytic nevus C. Pleomorphic adenoma D. Basal cell carcinoma

A

Which of the following neoplasms often occurs in the buccal mucosa or vestibule? A. Lipoma B. Congenital epulis C. Lymphangioma D. Rhabdomyoma

A

Which of the following represents the earliest clinical example of squamous cell carcinoma? A. Nonhealing ulceration B. Exophytic lesion C. Pigmented area D. Destructive radiolucency

A

Which one of the following best describes a benign cementoblastoma? A. It is a well-circumscribed radiopaque lesion with a radiolucent halo fused to the root of a vital tooth B. It has a radiolucent multilocular appearance C. It is a radiolucent lesion surrounding the crown of an impacted tooth D. It is composed of numerous toothlike structures

A

Which one of the following concerning solar cheilitis is false? A. There is distinct demarcation between vermilion border and skin B. It appears as mottled grayish-pink discoloration of lower lip C. Linear fissures are seen at right angles to the vermilion border D. It is caused by excessive exposure to sunlight

A

Which one of the following is not a characteristic of a malignant tumor? A. It is fully encapsulated B. It has abnormal mitotic figures C. It has pleomorphic cells D. It has keratin pearls

A

A benign tumor composed of a proliferation of capillaries is called a: A. Neurofibroma B. Hemangioma C. Rhabdomyoma D. Lymphangioma

B

All of the following are benign lesions that histologically contain bone or bonelike material except a(n): A. Torus B. Odontoma C. Exostosis D. Peripheral ossifying fibroma

B

An overproduction of atypical white blood cells in the bone marrow that results in an increase white blood cells in the circulating blood is called: A. Lymphoma B. Leukemia C. Malignant melanoma D. Leukopenia

B

Pain is most often a symptom of a(n): A. Compound odontoma B. Benign cementoblastoma C. Neurofibroma D. Lipoma

B

Peripheral odontogenic tumors are located on the: A. Palate B. Gingiva C. Lower lip D. Buccal mucosa

B

The most frequent intraoral site for metastatic tumors is the: A. Gingiva B. Mandible C. Soft palate D. Floor of the mouth

B

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. Peripheral ossifying fibroma D. Odontogenic myxoma

B

What is the most common benign salivary gland tumor? A. Trabecular adenoma B. Pleomorphic adenoma C. Canalicular adenoma D. Warthin tumor

B

Which odontogenic tumor most closely resembles the mesenchyme of the dental follicle? A. Benign cementoblastoma B. Odontogenic myxoma C. Compound odontoma D. Ameloblastoma

B

Which of the following is a malignant tumor of lymphocytes? A. Multiple myeloma B. Lymphoma C. Malignant melanoma D. Rhabdomyosarcoma

B

Which of the following is not a microscopic characteristic of squamous cell carcinoma? A. Invasion of tumor cells into the connective tissue B. Cells with very small nuclei C. Cells with hyperchromatic nuclei D. Keratin pearls

B

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

Which of the following malignant tumors has been reported to show a characteristic sunburst pattern on radiographic examination? A. Malignant melanoma B. Osteosarcoma C. Lymphoma D. Rhabdomyosarcoma

B

Which of the following may undergo malignant transformation? A. Granular cell tumor B. Pleomorphic adenoma C. Torus D. Hemangioma

B

Which of the following tumors may contain central radiopacities? A. Ameloblastoma B. Adenomatoid odontogenic tumor C. Granular cell tumor D. Squamous cell carcinoma

B

A hemangioma is a: A. Malignant tumor of melanocytes B. Benign tumor of fat cells C. Benign tumor of blood vessels D. Tumor of muscles

C

A malignant tumor of bone-forming tissue is called: A. Chondrosarcoma B. Neurofibroma C. Osteosarcoma D. Rhabdomyosarcoma

C

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. Epithelial dysplasia

C

All of the following are associated with the neoplastic transformation of cells except: A. Chemicals B. Sunlight C. Repeated trauma D. Viruses

C

All of the following neoplasms arise from squamous epithelium except a(n): A. Squamous cell carcinoma B. Verrucous carcinoma C. Adenoid cystic carcinoma D. Papilloma

C

Human herpesvirus 8 is associated with: A. Herpangina B. Rhabdomyosarcoma C. Kaposi sarcoma D. Schwannoma

C

Malignant melanoma of the oral cavity is rare; however, the most common intraoral location is the: A. Lateral tongue B. Anterior buccal mucosa C. Palate and maxillary gingiva D. Retromolar area

C

The most appropriate treatment for epithelial dysplasia is: A. Radiation therapy B. Chemotherapy C. Surgical excision D. Observation

C

The most common intraoral location for salivary gland tumors is the: A. Upper lip B. Anterior buccal mucosa C. Junction of the hard and soft palate D. Posteror lateral tongue

C

The most common malignant soft tissue tumor of the head and neck in children is: A. Squamous cell carcinoma B. Lymphangioma C. Rhabdomyosarcoma D. Osteosarcoma

C

Waldeyer ring is composed of: A. Epithelial cells B. Melanocytes C. Lymphoid tissue D. Adipose tissue

C

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

Which of the following does not arise in the oral cavity? A. Squamous cell carcinoma B. Malignant melanoma C. Basal cell carcinoma D. Verrucous carcinoma

C

Which of the following is a characteristic of benign tumors? A. Abnormal mitotic figures B. Anaplastic cells C. Slow growth D. Metastasis likely

C

Which of the following malignancies is characterized by a monoclonal spike on immunoelectrophoresis? A. Osteosarcoma B. Squamous cell carcinoma C. Multiple myeloma D. Leukemia

C

Which of the following salivary gland tumors often occurs in adult men? A. Pleomorphic adenoma B. Monomorphic adenoma C. Papillary cystadenoma lymphomatosum D. Mucoepidermoid carcinoma

C

Which of the following statements concerning leukoplakia is true? A. Most cases have a history of radiation damage. B. Sites that are at high risk for epithelial dysplasia include the buccal mucosa and gingiva. C. A biopsy should be performed to establish a diagnosis D. Leukoplakia is less common than erythroplakia.

C

Which one of the following is not a monomorphic adenoma? A. Trabecular adenoma B. Canalicular adenoma C. Pleomorphic adenoma D. Papillary cyst adenoma lymphomatosum

C

A patient with squamous cell carcinoma of the lateral tongue exhibits metastatic disease in the liver. What clinical stage correlates with these findings? A. Stage I B. Stage II C. Stage III D. Stage IV

D

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. Peripheral ossifying fibroma B. Neurofibroma C. Granular cell tumor D. Papilloma

D

Central involvement of the jaws may occur with a : A. Granular cell tumor B. Peripheral ossifying fibroma C. Melanocytic nevus D. Mucoepidermoid carcinoma

D

The cell type involved in multiple myeloma is a(n): A. Lymphocyte B. Neutrophil C. Eosinophil D. Plasma cell

D

Verrucous carcinoma is differentiated from squamous cell carcinoma because it: A. Occurs primarily in the nasal passages B. Responds to chemotherapy C. Often metastasizes D. Has a better prognosis

D

What is the most common intraoral location of tumors of nerve (neurofibroma and schwannoma)? A. Buccal mucosa B. Lip C. Palate D. Tongue

D

Which of the following neoplasms has the worst long-term prognosis? A. Basal cell carcinoma B. Verrucous carcinoma C. Granular cell tumor D. Metastatic tumor to the jaws

D

Which of the following neoplasms occurs most often in males? A. Congenital epulis B. Mucoepidermoid carcinoma C. Torus D. Multiple myeloma

D

Which of the following statements concerning an ameloblastoma is false? A. It can present as a multilocular radiolucency B. It is a benign and locally aggressive lesion C. It often occurs in the mandibular molar and ramus area D. It should be treated with radiation therapy

D

Which of the following tumors is associated with von Recklinghausen disease? A. Monomorphic adenoma B. Lipoma C. Fibroma D. Neurofibroma

D

Which on elf the following is not a characteristic feature of the ameloblastoma? A. It is a benign tumor B. It most often occurs in the mandible C. It may be multilocular D. It is encapsulated

D