Chapter 7 DENT 1060 Flashcards
Which of the following are associated with the neoplastic transformation of cells? A. Chemicals B. Sunlight C. Viruses D. All of the above
D. All of the above
Neoplasia involves:
a. abnormal proliferation of cells in response to tissue damage
b. controlled proliferation of cells
c. normal arrangement of proliferating cells
d. irreversible change that results in an uncontrolled multiplication of cells
d. irreversible change that results in an uncontrolled multiplication of cells
Which of the following statements concerning leukoplakia is TRUE?
a. most cases represent examples of epithelial dysplasia
b. sites that are at high risk for epithelial dysplasia include the palate and 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
Which of the following is a characteristic of benign tumors?
c. slow growth
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. papilloma
b. fibroma
c. neurofibroma
d. granular cell tumor
a. papilloma
Which of the following is not a histologic characteristic of squamous cell carcinoma?
d. cells with very small nuclei
Which of the following are the most common locations for intraoral squamous cell carcinoma?
a. upper labial mucosa, buccal mucosa, and hard palate
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
A patient with squamous cell carcinoma of the lateral tongue exhibits metastatic disease in the lungs. What clinical stage correlates with these findings?
a. stage I
b. stage II
c. stage III
d. stage IV
d. stage IV
Which of the following represents the earliest clinical example of squama cell carcinoma? a. Exophytic mass B. erythematous plaque C. Nonhealing ulceration D. Destructive radiolucency
C. Nonhealing ulceration
The most appropriate treatment for epithelial dysplasia is A. Observation B. chemotherapy C. Surgical excision D. Repeat biopsy in six months
C. Surgical excision
The verrucous carcinoma is differentiated from squamous cell carcinoma because it: A. Does not occur in the oral cavity B. responds to chemotherapy C. Has a better prognosis D. Often metastasizes
C. Has a better prognosis
The most common intraoral location for salivary gland tumors is the: A. Lower lip B. buccal mucosa C. Junction of the hard and soft palate D. Anterior tongue
C. Junction of the hard and soft palate
Which of the following is an example of a malignant salivary gland tumor? A. Pleomorphic adenoma B. Warthin's tumor C. Monomorphic Adenoma D. Adenoid cystic carcinoma
D. Adenoid cystic carcinoma
Which of the following statements concerning an ameloblastoma is true?
A. It often occurs in young children
B. it is a radiopaque lesion
C. It often occurs in the mandibular molar and ramus area
D. It should be treated with radiation therapy
C. It often occurs in the mandibular molar and ramus area
The odontogenic tumor that characteristically appears as a well circumscribed radiolucency located in the anterior maxilla of an adolescent girl is an: A. Ameloblastic fibroma B. Ameloblastoma C. Odontogenic myxoma D. Adenomatoid odontogenic tumor
D. Adenomatoid odontogenic tumor
Which odontogenic tumor most closely resembles mesenchyme of the dental follicle? A. Benign cementoblastoma B. odontogenic myxoma C. Complex odontoma D. Adenomatoid odontogenic tumor
B. odontogenic myxoma
A benign cementoblastoma may be recognized radiographically because:
A. It is a well circumscribed radiopaque lesion without radiolucent halo attached to the root of a tooth
B. it has a radiolucent multilocular appearance
C. It is a radiolucent lesion surrounding the crown of an impacted tooth
D. It is an ill-defined radiolucent lesion containing scattered opacifications
A. It is a well circumscribed radiopaque lesion without radiolucent halo attached to the root of a tooth
Which of the following lesions characteristically occurs on the alveolar mucosa? A. Congenital epulis B. granular cell tumor C. Lymphangioma D. Lipoma
A. Congenital epulis
Human herpesvirus eight is associated with: A. Lymphangioma B. rhabdomyosarcoma C. Kaposi's sarcoma D. Schwannoma
C. Kaposi’s sarcoma
A compound odontoma differs from a complex odontoma in that a compound odontoma:
a. is composed of tooth like structures
b. has unlimited growth potential
c. is composed primarily of pulp tissue
d. is located in the posterior mandible
a. is composed of tooth like structures
Peripheral odontogenic tumors are located on the:
a. tongue
b. lower lip
c. buccal mucosa
d. gingiva
d. gingiva
A benign tumor of adipose tissue is called a:
a. lipoma
b. schwannoma
c. hemangioma
d. lymphangioma
a. lipoma
The most common malignant soft tissue tumor of the head and neck in children is:
a. squamous cell carcinoma
b. lymphoma
c. rhabdomyosarcoma
d. osteosarcoma
c. rhabdomyosarcoma
Malignant melanoma of the oral cavity is rare; however, the most common intraoral location is the:
a. palate and maxillary gingiva
b. tongue
c. buccal mucosa
d. retromolar area
a. palate and maxillary gingiva
Which of the following neoplasms often occurs in the buccal mucosa or vestibule?
a. lipoma
b. congenital epulis
c. lymphangioma
d. melanocytic nevus
a. lipoma
A malignant tumor of bone-forming tissue is called:
a. chondrosarcoma
b. melanoma
c. osteosarcoma
d. rhabdomyosarcoma
c. osteosarcoma
An overproduction of atypical white blood cells in the circulating blood is called:
a. lymphoma
b. leukemia
c. malignant melanoma
d. multiple myeloma
b. leukemia
Which of the following is a malignant tumor of lymphocytes?
a. multiple myeloma
b. malignant melanoma
c. lymphoma
d. kaposi sarcoma
c. lymphoma
The cell involved in multiple myeloma is the:
a. lymphocyte
b. histiocyte
c. eosinophil
d. plasma cell
d. plasma cell
The most frequent intraoral site for metastatic tumors is the:
a. buccal mucosa
b. mandible
c. soft palate
d. floor of the mouth
b. mandible
